xaxis/ends/xaxis_end_body: rewrite to part system

include <MCAD/motors.scad>
include <MCAD/stepper.scad>

include <config.scad>
include <thing_libutils/misc.scad>
include <thing_libutils/bearing.scad>
use <thing_libutils/metric-screw.scad>
use <thing_libutils/timing-belts.scad>

motor_mount_wall_thick = xaxis_pulley[1] - xaxis_pulley[0]/2 + 4*mm;
xaxis_end_motorsize = lookup(NemaSideSize,xaxis_motor);
xaxis_end_motor_offset=[xaxis_end_motorsize/2+7*mm,motor_mount_wall_thick-2*mm,0];
xaxis_end_wz = xaxis_rod_distance+zaxis_bearing[2]+5*mm;

// overlap of the X and Z rods
xaxis_end_xz_rod_overlap = 4*mm;

// how much "stop" for the x rods
xaxis_end_rod_stop = 10*mm;

xaxis_endstop_size = [10.3*mm, 20*mm, 6.3*mm];
xaxis_endstop_screw_offset = [-1.8*mm, 0*mm, 0*mm];

module xaxis_end_body(part, with_motor, beltpath_index=0, nut_top=false)
{
    nut_h = zaxis_nut[4];
    wx = zaxis_bearing[1]/2+zaxis_nut[1];
    wx_ = with_motor? xaxis_end_motorsize+xaxis_end_motor_offset[0] - xaxis_end_motorsize/2 : wx;
    bearing_sizey= zaxis_bearing[1]+10*mm;

    if(part==undef)
    {
        difference()
        {
            xaxis_end_body(part="pos", with_motor=with_motor, beltpath_index=beltpath_index, nut_top=nut_top);
            xaxis_end_body(part="neg", with_motor=with_motor, beltpath_index=beltpath_index, nut_top=nut_top);
        }
    }
    else if(part=="pos")
    {
        if(with_motor)
        translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
        translate(xaxis_end_motor_offset)
        rcubea([xaxis_end_motorsize, motor_mount_wall_thick, xaxis_end_motorsize], rounding_radius=3, align=[0,-1,0]);

        // nut mount
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2])
        {
            cylindera(h=zaxis_nut[4], d=zaxis_nut[1], align=[0,0,1], round_radius=2);

            // lead screw
            // ensure some support for the leadscrew cutout all the way to the top
            cylindera(h=xaxis_end_wz, d=zaxis_nut[2]*2, align=[0,0,1], round_radius=2);
        }

        // x axis rod holders
        xaxis_rod_d_support = xaxis_rod_d+5*mm;
        for(z=[-1,1])
        translate([-xaxis_end_xz_rod_overlap,0,z*(xaxis_rod_distance/2)])
        cylindera(h=wx_+xaxis_end_xz_rod_overlap, d=xaxis_rod_d_support, orient=[1,0,0], align=[1,0,0], round_radius=2);

        translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
        {
            rcubea(xaxis_endstop_size, align=[-1,0,-1]);
        }

        // support around z axis bearings
        translate([0, -xaxis_zaxis_distance_y, 0])
        cylindera(h=xaxis_end_wz,d=bearing_sizey, orient=[0,0,1], align=[0,0,0], round_radius=2);
    }
    else if(part=="neg")
    {
        // cut support around z axis bearings
        translate([0, -xaxis_zaxis_distance_y, 0])
        translate([0,0,.1])
        cubea([bearing_sizey/2+.1, bearing_sizey+.2, xaxis_end_wz+.4], orient=[0,0,1], align=[-1,0,0]);

        // cut away some of nut mount support
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2])
        translate([0,-zaxis_nut[0]/2-1*mm,0])
        cubea([zaxis_nut[4]*2,zaxis_nut[4]+.2,zaxis_nut[4]+.2], align=[0,-1,1]);
    }
    else if(part=="vit")
    {
    }
}

module xaxis_end(with_motor=false, stop_x_rods=false, beltpath_index=0, show_motor=false, nut_top=false, show_nut=false, show_rods=false, show_bearings=false)
{
    nut_h = zaxis_nut[4];
    wx = zaxis_bearing[1]/2+zaxis_nut[1];
    wx_ = with_motor? xaxis_end_motorsize+xaxis_end_motor_offset[0] - xaxis_end_motorsize/2 : wx;
    difference()
    {
        extrasize = with_motor?0*mm:0*mm;
        extrasize_align = 1;

        hull()
        {
            xaxis_end_body(with_motor=with_motor, beltpath_index=beltpath_index, nut_top=nut_top);

            // projection against z, ensure easy print
            translate([0,0,-xaxis_end_wz/2])
                linear_extrude(1)
                projection(cut=false)
                xaxis_end_body(with_motor=with_motor, beltpath_index=beltpath_index, nut_top=nut_top);
        }

        //endstop mount screw cuts
        translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
        translate(xaxis_endstop_screw_offset)
        for(y=[-1,1])
        translate([-5*mm,y*9.5*mm/2,-2*mm])
        nut_trap_cut(nut=MHexNutM3, screw_l=6*mm, screw_l_extra=0*mm, trap_axis=[-1,0,0], orient=[0,0,1], align=[0,0,-1]);

        xaxis_end_beltpath(height=xaxis_beltpath_height_body);

        // z smooth bearing mounts
        for(z=[-1,1])
        {
            translate([0,0,z*xaxis_rod_distance/2])
            translate([0, -xaxis_zaxis_distance_y, 0])
            {
                bearing_mount_holes(
                        zaxis_bearing,
                        ziptie_type,
                        ziptie_bearing_distance,
                        orient=[0,0,1],
                        with_zips=true,
                        show_zips=false
                        );
                /*hull()*/
                /*{*/
                    /*cylindera(d=zaxis_bearing[1],h=xaxis_end_wz);*/

                    /*translate([-5*cm,0,0])*/
                    /*cylindera(d=zaxis_bearing[1],h=xaxis_end_wz);*/
                /*}*/
            }
        }

        // x smooth rods
        x_rod_stop = stop_x_rods ? xaxis_end_rod_stop : 0;
        for(z=[-1,1])
        translate([-xaxis_end_xz_rod_overlap-.1+x_rod_stop,0,z*(xaxis_rod_distance/2)])
        cylindera(h=wx_+xaxis_end_xz_rod_overlap-x_rod_stop+.2,d=xaxis_rod_d+.2*mm, orient=[1,0,0], align=[1,0,0]);

        if(with_motor)
        {
            screw_dist = lookup(NemaDistanceBetweenMountingHoles, xaxis_motor);

            // axle
            translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
            translate(xaxis_end_motor_offset)
            {
                round_d=1.1*lookup(NemaRoundExtrusionDiameter, xaxis_motor);
                translate([0, .1, 0])
                translate([0,1,0])
                teardrop(d=round_d,h=motor_mount_wall_thick, tear_orient=[0,0,1], orient=[0,1,0], align=[0,-1,0], roll=90, truncate=0);

                // motor axle
                translate([0, .1, 0])
                cylindera(d=1.2*lookup(NemaAxleDiameter, xaxis_motor), h=lookup(NemaFrontAxleLength, xaxis_motor)+3*mm, orient=[0,1,0], align=[0,1,0]);

                // bearing for offloading force on motor shaft
                translate([0, -2.5*mm-xaxis_pulley[1]-.1, 0])
                scale(1.03)
                cylindera(d=bearing_MR105[1], h=6*mm, orient=[0,1,0], align=[0,-1,0]);

                xaxis_motor_thread=ThreadM3;
                xaxis_motor_nut=MHexNutM3;
                for(x=[-1,1])
                for(z=[-1,1])
                translate([0,-xaxis_end_motor_offset[1],0])
                translate([x*screw_dist/2, -(xaxis_beltpath_width/2+4*mm), z*screw_dist/2])
                {
                    screw_cut(xaxis_motor_nut, h=25, with_nut=false, orient=[0,1,0], align=[0,1,0]);
                }
            }

        }

        // nut mount
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2])
        {
            union()
            {
                translate([0,0,-.1])
                {
                    // nut
                    cylindera(h=nut_h+1, d=zaxis_nut[0]*1.05, align=[0,0,1]);

                    // lead screw
                    translate([0,0,-.1])
                    cylindera(h=lookup(NemaFrontAxleLength,zaxis_motor), d=zaxis_nut[2]*1.5, align=[0,0,1]);

                    for(i=[-1,1])
                    translate([i*13.5*mm, 0, -zaxis_nut[3]])
                    screw_cut(thread=ThreadM3, h=16*mm, with_nut=false, orient=[0,0,1], align=[0,0,1]);
                }
            }
        }
    }

    if(with_motor && show_motor)
    {
        translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
        translate(xaxis_end_motor_offset)
        {
            // 1mm due to motor offset
            translate([0,-1*mm,0])
            {
                // 1mm between pulley and motor
                translate([0,-1*mm,0])
                    pulley(xaxis_pulley, flip=false, orient=[0,1,0], align=[0,-1,0]);
                motor(xaxis_motor, NemaMedium, dualAxis=false, orientation=[-90,0,0]);
            }
        }
    }

    //endstop
    %if($show_vit)
    {
        translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
        {
            difference()
            {
                rcubea(xaxis_endstop_size, align=[-1,0,1]);

                translate(xaxis_endstop_screw_offset)
                for(y=[-1,1])
                translate([-5*mm,y*9.5*mm/2,xaxis_endstop_size[2]])
                screw_cut(nut=MHexNutM3, h=10*mm, orient=[0,0,-1], align=[0,0,-1]);
            }
        }
    }

    %if(show_nut)
    {
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2-zaxis_nut[3]])
        xaxis_end_znut();
    }

    %if(show_rods)
    {
        for(z=[-1,1])
            translate([0,0,z*xaxis_rod_distance/2])
            translate([0, -xaxis_zaxis_distance_y, 0])
            cylindera(d=zaxis_rod_d, h=zaxis_rod_l, orient=[0,0,1]);
    }

    %if(show_bearings)
    {
        for(z=[-1,1])
        translate([0,0,z*xaxis_rod_distance/2])
        translate([0, -xaxis_zaxis_distance_y, 0])
        bearing(zaxis_bearing);
    }
}

module xaxis_end_beltpath(height, width=xaxis_beltpath_width, length = 1000)
{
    hull()
    for(z=[-1,1])
    translate([0,0,z*height/2])
    teardrop(h=length, d=width, orient=[1,0,0], roll=-180*min(0,z), truncate=.5);
}

module xaxis_end_idlerholder(part, width=xaxis_beltpath_width, length=10, beltpath_index=0)
{
    width = 20*mm;

    if(part==undef)
    {
        difference()
        {
            xaxis_end_idlerholder(part="pos", width=xaxis_beltpath_width, length=length, beltpath_index=beltpath_index);
            xaxis_end_idlerholder(part="neg", width=xaxis_beltpath_width, length=length, beltpath_index=beltpath_index);
        }
    }
    else if(part=="pos")
    {
        hull()
        {
            // support for x smooth rods
            for(z=[-1,1])
            translate([0,0,z*(xaxis_rod_distance/2)])
            cylindera(h=width, d=xaxis_rod_d+4*mm, orient=[1,0,0], align=[1,0,0], round_radius=2);

            // extra support for pulley
            translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
            translate([width/2,0,0])
            cylindera(h=8*mm+pulley_height(xaxis_idler_pulley), d=xaxis_idler_pulley[3], orient=[0,1,0], round_radius=2);
        }
    }
    else if(part=="neg")
    {
        for(z=[-1,1])
        {
            translate([0,0,z*(xaxis_rod_distance/2)])
            {
                // x smooth rods
                translate([width/2+.1,0,0])
                cylindera(h=width/2,d=xaxis_rod_d+.2*mm, orient=[1,0,0], align=[1,0,0]);

                screw_cut(nut=MHexNutM4, h=16*mm, with_nut=false, orient=[1,0,0], align=[1,0,0]);

                translate([6*mm,0,0])
                nut_trap_cut(nut=MHexNutM4, screw_l=16*mm, trap_axis=[0,-1,0], orient=[1,0,0], $show_vit=false);
            }
        }

        translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
        {
            translate([width/2,0,0])
                pulley(xaxis_idler_pulley, orient=[0,1,0]);

            translate([width/2,0,0])
                cylindera(d=lookup(ThreadSize, ThreadM5), h=100, orient=[0,1,0]);

            xaxis_end_beltpath(height=xaxis_beltpath_height_holders);
        }
    }
    else if(part=="vit")
    {
        %translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
        translate([width/2,0,0])
        pulley(xaxis_idler_pulley, orient=[0,1,0]);
    }
}

module xaxis_end_znut()
{
    difference()
    {
        union()
        {
            cylindera(d=zaxis_nut[1], h=zaxis_nut[3], orient=[0,0,1], align=[0,0,1]);
            cylindera(d=zaxis_nut[0], h=zaxis_nut[4], orient=[0,0,1], align=[0,0,1]);
        }

        translate([0,0,-.1])
        cylindera(d=zaxis_nut[2], h=zaxis_nut[4]+.2, orient=[0,0,1], align=[0,0,1]);
    }
}

include <thing_libutils/misc.scad>;
if(false)
{
    // x axis
    /*translate([0,0,axis_pos_z])*/
    {
        /*if(!preview_mode)*/
        {
            zrod_offset = zmotor_mount_rod_offset_x;
            for(z=[-1,1])
            for(z=xaxis_beltpath_z_offsets)
            translate([-z*3*mm, xaxis_zaxis_distance_y, z])
            belt_path(5*mm+main_width+2*(zrod_offset)+xaxis_end_motor_offset[0], 6, xaxis_pulley_inner_d, orient=[1,0,0], align=[0,0,0]);
        }

        /*translate([axis_pos_x,0,0])*/
        /*{*/
            // x carriage
            /*attach(xaxis_carriage_conn, [[0,-xaxis_zaxis_distance_y,0],[0,0,0]])*/
            /*{*/
                /*x_carriage_full();*/
            /*}*/
        /*}*/

        // x smooth rods
        color(color_rods)
        for(z=[-1,1])
            translate([xaxis_rod_offset_x,xaxis_zaxis_distance_y,z*(xaxis_rod_distance/2)])
                cylindera(h=xaxis_rod_l,d=xaxis_rod_d, orient=[1,0,0]);

        for(x=[-1,1])
        {
            translate([x*(main_width/2), 0, 0])
            {
                translate([0, xaxis_zaxis_distance_y, 0])
                translate([x*zmotor_mount_rod_offset_x, 0, 0])
                mirror([max(0,x),0,0])
                xaxis_end(with_motor=true, beltpath_index=max(0,x), show_nut=true, show_motor=true, show_nut=true);

                translate([x*95, xaxis_zaxis_distance_y, 0])
                mirror([0,0,max(0,x)])
                mirror([max(0,x),0,0])
                xaxis_end_idlerholder();
            }
        }
    }

}

if(false)
{
    zrod_offset = zmotor_mount_rod_offset_x;
    for(z=[-1,1])
    for(z=xaxis_beltpath_z_offsets)
    translate([0,0,xaxis_end_wz/2])
    translate([-main_width/2-zrod_offset+xaxis_end_motor_offset[0], xaxis_zaxis_distance_y, z])
    belt_path(main_width+2*(zrod_offset)+xaxis_end_motor_offset[0], 6, xaxis_pulley_inner_d, orient=[1,0,0], align=[1,0,0]);

    translate([0, xaxis_zaxis_distance_y, 0])
    {
        for(x=[-1,1])
        translate([x*55,0,xaxis_end_wz/2])
        mirror([max(0,x),0,0])
        xaxis_end(with_motor=true, beltpath_index=max(0,x), show_motor=false, show_nut=false, show_bearings=false);

        for(x=[-1,1])
        translate([0,0,xaxis_end_wz/2])
        translate([x*45,25,0])
        translate([x*105,0,0])
        mirror([max(0,x),0,0])
        rotate([0,-90,0])
        xaxis_end_idlerholder(beltpath_index=max(0,x));
    }
}

include <MCAD/motors.scad>
include <MCAD/stepper.scad>

include <config.scad>
include <thing_libutils/misc.scad>
include <thing_libutils/bearing.scad>
use <thing_libutils/metric-screw.scad>
use <thing_libutils/timing-belts.scad>

motor_mount_wall_thick = xaxis_pulley[1] - xaxis_pulley[0]/2 + 4*mm;
xaxis_end_motorsize = lookup(NemaSideSize,xaxis_motor);
xaxis_end_motor_offset=[xaxis_end_motorsize/2+7*mm,motor_mount_wall_thick-2*mm,0];
xaxis_end_wz = xaxis_rod_distance+zaxis_bearing[2]+5*mm;

// overlap of the X and Z rods
xaxis_end_xz_rod_overlap = 4*mm;

// how much "stop" for the x rods
xaxis_end_rod_stop = 10*mm;

xaxis_endstop_size = [10.3*mm, 20*mm, 6.3*mm];
xaxis_endstop_screw_offset = [-1.8*mm, 0*mm, 0*mm];

module xaxis_end_body(with_motor, beltpath_index=0, nut_top=false)
{
    nut_h = zaxis_nut[4];
    wx = zaxis_bearing[1]/2+zaxis_nut[1];
    wx_ = with_motor? xaxis_end_motorsize+xaxis_end_motor_offset[0] - xaxis_end_motorsize/2 : wx;

    /*%rcubea([wx_, xaxis_rod_d*2, xaxis_end_wz], rounding_radius=3, align=[with_motor?1:-1,0,0]);*/

    if(with_motor)
    translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
    translate(xaxis_end_motor_offset)
    rcubea([xaxis_end_motorsize, motor_mount_wall_thick, xaxis_end_motorsize], rounding_radius=3, align=[0,-1,0]);

    // nut mount
    mirror([0,0,nut_top?1:0])
    translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2])
    {
        union()
        {
            difference()
            {
                cylindera(h=zaxis_nut[4], d=zaxis_nut[1], align=[0,0,1], round_radius=2);
                translate([0,-zaxis_nut[0]/2-1*mm,0])
                cubea([zaxis_nut[4]*2,zaxis_nut[4]+.2,zaxis_nut[4]+.2], align=[0,-1,1]);
            }

            // lead screw
            // ensure some support for the leadscrew cutout all the way to the top
            cylindera(h=xaxis_end_wz, d=zaxis_nut[2]*2, align=[0,0,1], round_radius=2);
        }
    }

    // x axis rod holders
    xaxis_rod_d_support = xaxis_rod_d+5*mm;
    for(z=[-1,1])
    translate([-xaxis_end_xz_rod_overlap,0,z*(xaxis_rod_distance/2)])
    cylindera(h=wx_+xaxis_end_xz_rod_overlap, d=xaxis_rod_d_support, orient=[1,0,0], align=[1,0,0], round_radius=2);

    translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
    {
        rcubea(xaxis_endstop_size, align=[-1,0,-1]);
    }

    // support around z axis bearings
    translate([0, -xaxis_zaxis_distance_y, 0])
    {
        difference()
        {
            sizey= zaxis_bearing[1]+10*mm;
            cylindera(h=xaxis_end_wz,d=sizey, orient=[0,0,1], align=[0,0,0], round_radius=2);
            translate([0,0,.1])
            cubea([sizey/2+.1, sizey+.2, xaxis_end_wz+.4], orient=[0,0,1], align=[-1,0,0]);
        }
    }
}

module xaxis_end(with_motor=false, stop_x_rods=false, beltpath_index=0, show_motor=false, nut_top=false, show_nut=false, show_rods=false, show_bearings=false)
{
    nut_h = zaxis_nut[4];
    wx = zaxis_bearing[1]/2+zaxis_nut[1];
    wx_ = with_motor? xaxis_end_motorsize+xaxis_end_motor_offset[0] - xaxis_end_motorsize/2 : wx;
    difference()
    {
        extrasize = with_motor?0*mm:0*mm;
        extrasize_align = 1;

        hull()
        {
            xaxis_end_body(with_motor=with_motor, beltpath_index=beltpath_index, nut_top=nut_top);

            // projection against z, ensure easy print
            translate([0,0,-xaxis_end_wz/2])
                linear_extrude(1)
                projection(cut=false)
                xaxis_end_body(with_motor);
        }

        //endstop mount screw cuts
        translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
        translate(xaxis_endstop_screw_offset)
        for(y=[-1,1])
        translate([-5*mm,y*9.5*mm/2,-2*mm])
        nut_trap_cut(nut=MHexNutM3, screw_l=6*mm, screw_l_extra=0*mm, trap_axis=[-1,0,0], orient=[0,0,1], align=[0,0,-1]);

        xaxis_end_beltpath(height=xaxis_beltpath_height_body);

        // z smooth bearing mounts
        for(z=[-1,1])
        {
            translate([0,0,z*xaxis_rod_distance/2])
            translate([0, -xaxis_zaxis_distance_y, 0])
            {
                bearing_mount_holes(
                        zaxis_bearing,
                        ziptie_type,
                        ziptie_bearing_distance,
                        orient=[0,0,1],
                        with_zips=true,
                        show_zips=false
                        );
                /*hull()*/
                /*{*/
                    /*cylindera(d=zaxis_bearing[1],h=xaxis_end_wz);*/

                    /*translate([-5*cm,0,0])*/
                    /*cylindera(d=zaxis_bearing[1],h=xaxis_end_wz);*/
                /*}*/
            }
        }

        // x smooth rods
        x_rod_stop = stop_x_rods ? xaxis_end_rod_stop : 0;
        for(z=[-1,1])
        translate([-xaxis_end_xz_rod_overlap-.1+x_rod_stop,0,z*(xaxis_rod_distance/2)])
        cylindera(h=wx_+xaxis_end_xz_rod_overlap-x_rod_stop+.2,d=xaxis_rod_d+.2*mm, orient=[1,0,0], align=[1,0,0]);

        if(with_motor)
        {
            screw_dist = lookup(NemaDistanceBetweenMountingHoles, xaxis_motor);

            // axle
            translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
            translate(xaxis_end_motor_offset)
            {
                round_d=1.1*lookup(NemaRoundExtrusionDiameter, xaxis_motor);
                translate([0, .1, 0])
                translate([0,1,0])
                teardrop(d=round_d,h=motor_mount_wall_thick, tear_orient=[0,0,1], orient=[0,1,0], align=[0,-1,0], roll=90, truncate=0);

                // motor axle
                translate([0, .1, 0])
                cylindera(d=1.2*lookup(NemaAxleDiameter, xaxis_motor), h=lookup(NemaFrontAxleLength, xaxis_motor)+3*mm, orient=[0,1,0], align=[0,1,0]);

                // bearing for offloading force on motor shaft
                translate([0, -2.5*mm-xaxis_pulley[1]-.1, 0])
                scale(1.03)
                cylindera(d=bearing_MR105[1], h=6*mm, orient=[0,1,0], align=[0,-1,0]);

                xaxis_motor_thread=ThreadM3;
                xaxis_motor_nut=MHexNutM3;
                for(x=[-1,1])
                for(z=[-1,1])
                translate([0,-xaxis_end_motor_offset[1],0])
                translate([x*screw_dist/2, -(xaxis_beltpath_width/2+4*mm), z*screw_dist/2])
                {
                    screw_cut(xaxis_motor_nut, h=25, with_nut=false, orient=[0,1,0], align=[0,1,0]);
                }
            }

        }

        // nut mount
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2])
        {
            union()
            {
                translate([0,0,-.1])
                {
                    // nut
                    cylindera(h=nut_h+1, d=zaxis_nut[0]*1.05, align=[0,0,1]);

                    // lead screw
                    translate([0,0,-.1])
                    cylindera(h=lookup(NemaFrontAxleLength,zaxis_motor), d=zaxis_nut[2]*1.5, align=[0,0,1]);

                    for(i=[-1,1])
                    translate([i*13.5*mm, 0, -zaxis_nut[3]])
                    screw_cut(thread=ThreadM3, h=16*mm, with_nut=false, orient=[0,0,1], align=[0,0,1]);
                }
            }
        }
    }

    if(with_motor && show_motor)
    {
        translate([0,0,xaxis_beltpath_z_offsets[beltpath_index]])
        translate(xaxis_end_motor_offset)
        {
            // 1mm due to motor offset
            translate([0,-1*mm,0])
            {
                // 1mm between pulley and motor
                translate([0,-1*mm,0])
                    pulley(xaxis_pulley, flip=false, orient=[0,1,0], align=[0,-1,0]);
                motor(xaxis_motor, NemaMedium, dualAxis=false, orientation=[-90,0,0]);
            }
        }
    }

    //endstop
    %if($show_vit)
    {
        translate([wx_,0,(xaxis_rod_distance/2)+xaxis_rod_d])
        {
            difference()
            {
                rcubea(xaxis_endstop_size, align=[-1,0,1]);

                translate(xaxis_endstop_screw_offset)
                for(y=[-1,1])
                translate([-5*mm,y*9.5*mm/2,xaxis_endstop_size[2]])
                screw_cut(nut=MHexNutM3, h=10*mm, orient=[0,0,-1], align=[0,0,-1]);
            }
        }
    }

    %if(show_nut)
    {
        mirror([0,0,nut_top?1:0])
        translate([zaxis_rod_screw_distance_x, -xaxis_zaxis_distance_y, -xaxis_end_wz/2-zaxis_nut[3]])
        xaxis_end_znut();
    }

    %if(show_rods)
    {
        for(z=[-1,1])
            translate([0,0,z*xaxis_rod_distance/2])
            translate([0, -xaxis_zaxis_distance_y, 0])
            cylindera(d=zaxis_rod_d, h=zaxis_rod_l, orient=[0,0,1]);
    }

    %if(show_bearings)
    {
        for(z=[-1,1])
        translate([0,0,z*xaxis_rod_distance/2])
        translate([0, -xaxis_zaxis_distance_y, 0])
        bearing(zaxis_bearing);
    }
}

module xaxis_end_beltpath(height, width=xaxis_beltpath_width, length = 1000)
{
    hull()
    for(z=[-1,1])
    translate([0,0,z*height/2])
    teardrop(h=length, d=width, orient=[1,0,0], roll=-180*min(0,z), truncate=.5);
}

module xaxis_end_idlerholder(part, width=xaxis_beltpath_width, length=10, beltpath_index=0)
{
    width = 20*mm;

    if(part==undef)
    {
        difference()
        {
            xaxis_end_idlerholder(part="pos", width=xaxis_beltpath_width, length=length, beltpath_index=beltpath_index);
            xaxis_end_idlerholder(part="neg", width=xaxis_beltpath_width, length=length, beltpath_index=beltpath_index);
        }
    }
    else if(part=="pos")
    {
        hull()
        {
            // support for x smooth rods
            for(z=[-1,1])
            translate([0,0,z*(xaxis_rod_distance/2)])
            cylindera(h=width, d=xaxis_rod_d+4*mm, orient=[1,0,0], align=[1,0,0], round_radius=2);

            // extra support for pulley
            translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
            translate([width/2,0,0])
            cylindera(h=8*mm+pulley_height(xaxis_idler_pulley), d=xaxis_idler_pulley[3], orient=[0,1,0], round_radius=2);
        }
    }
    else if(part=="neg")
    {
        for(z=[-1,1])
        {
            translate([0,0,z*(xaxis_rod_distance/2)])
            {
                // x smooth rods
                translate([width/2+.1,0,0])
                cylindera(h=width/2,d=xaxis_rod_d+.2*mm, orient=[1,0,0], align=[1,0,0]);

                screw_cut(nut=MHexNutM4, h=16*mm, with_nut=false, orient=[1,0,0], align=[1,0,0]);

                translate([6*mm,0,0])
                nut_trap_cut(nut=MHexNutM4, screw_l=16*mm, trap_axis=[0,-1,0], orient=[1,0,0], $show_vit=false);
            }
        }

        translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
        {
            translate([width/2,0,0])
                pulley(xaxis_idler_pulley, orient=[0,1,0]);

            translate([width/2,0,0])
                cylindera(d=lookup(ThreadSize, ThreadM5), h=100, orient=[0,1,0]);

            xaxis_end_beltpath(height=xaxis_beltpath_height_holders);
        }
    }
    else if(part=="vit")
    {
        %translate([0,0,-xaxis_beltpath_z_offsets[max(0,beltpath_index)]])
        translate([width/2,0,0])
        pulley(xaxis_idler_pulley, orient=[0,1,0]);
    }
}

module xaxis_end_znut()
{
    difference()
    {
        union()
        {
            cylindera(d=zaxis_nut[1], h=zaxis_nut[3], orient=[0,0,1], align=[0,0,1]);
            cylindera(d=zaxis_nut[0], h=zaxis_nut[4], orient=[0,0,1], align=[0,0,1]);
        }

        translate([0,0,-.1])
        cylindera(d=zaxis_nut[2], h=zaxis_nut[4]+.2, orient=[0,0,1], align=[0,0,1]);
    }
}

include <thing_libutils/misc.scad>;
if(false)
{
    // x axis
    /*translate([0,0,axis_pos_z])*/
    {
        /*if(!preview_mode)*/
        {
            zrod_offset = zmotor_mount_rod_offset_x;
            for(z=[-1,1])
            for(z=xaxis_beltpath_z_offsets)
            translate([-z*3*mm, xaxis_zaxis_distance_y, z])
            belt_path(5*mm+main_width+2*(zrod_offset)+xaxis_end_motor_offset[0], 6, xaxis_pulley_inner_d, orient=[1,0,0], align=[0,0,0]);
        }

        /*translate([axis_pos_x,0,0])*/
        /*{*/
            // x carriage
            /*attach(xaxis_carriage_conn, [[0,-xaxis_zaxis_distance_y,0],[0,0,0]])*/
            /*{*/
                /*x_carriage_full();*/
            /*}*/
        /*}*/

        // x smooth rods
        color(color_rods)
        for(z=[-1,1])
            translate([xaxis_rod_offset_x,xaxis_zaxis_distance_y,z*(xaxis_rod_distance/2)])
                cylindera(h=xaxis_rod_l,d=xaxis_rod_d, orient=[1,0,0]);

        for(x=[-1,1])
        {
            translate([x*(main_width/2), 0, 0])
            {
                translate([0, xaxis_zaxis_distance_y, 0])
                translate([x*zmotor_mount_rod_offset_x, 0, 0])
                mirror([max(0,x),0,0])
                xaxis_end(with_motor=true, beltpath_index=max(0,x), show_nut=true, show_motor=true, show_nut=true);

                translate([x*95, xaxis_zaxis_distance_y, 0])
                mirror([0,0,max(0,x)])
                mirror([max(0,x),0,0])
                xaxis_end_idlerholder();
            }
        }
    }

}

if(false)
{
    zrod_offset = zmotor_mount_rod_offset_x;
    for(z=[-1,1])
    for(z=xaxis_beltpath_z_offsets)
    translate([0,0,xaxis_end_wz/2])
    translate([-main_width/2-zrod_offset+xaxis_end_motor_offset[0], xaxis_zaxis_distance_y, z])
    belt_path(main_width+2*(zrod_offset)+xaxis_end_motor_offset[0], 6, xaxis_pulley_inner_d, orient=[1,0,0], align=[1,0,0]);

    translate([0, xaxis_zaxis_distance_y, 0])
    {
        for(x=[-1,1])
        translate([x*55,0,xaxis_end_wz/2])
        mirror([max(0,x),0,0])
        xaxis_end(with_motor=true, beltpath_index=max(0,x), show_motor=false, show_nut=false, show_bearings=false);

        for(x=[-1,1])
        translate([0,0,xaxis_end_wz/2])
        translate([x*45,25,0])
        translate([x*105,0,0])
        mirror([max(0,x),0,0])
        rotate([0,-90,0])
        xaxis_end_idlerholder(beltpath_index=max(0,x));
    }
}


y/idler: use material system

y/idler: use material system

include <y-idler.h>

include <thing_libutils/materials.scad>
use <thing_libutils/screws.scad>

module yaxis_idler(part)
{
    tighten_screw_dia_outer = yaxis_idler_mount_tightscrew_dia*4;
    mount_screw_dist = (yidler_w/2+yaxis_idler_mount_thread_dia*3)*1.3;

    if(part==U)
    {
        difference()
        {
            yaxis_idler(part="pos");
            yaxis_idler(part="neg");
        }
        yaxis_idler(part="vit");
    }
    else if(part=="pos")
    material(Mat_Plastic)
    {
        // front plate
        tx(-extrusion_size/2)
        rcubea(
            size=[yaxis_idler_mount_thickness, yidler_mount_width, extrusion_size],
            align=-X,
            extrasize=Z*yaxis_idler_mount_thickness,
            extrasize_align=Z
            );

        // top mount plate
        translate([-yaxis_idler_mount_thickness,0,extrusion_size/2])
        rcubea(
            size=[extrusion_size, yidler_mount_width, yaxis_idler_mount_thickness],
            align=Z,
            extrasize=[yaxis_idler_mount_thickness,0,0],
            extrasize_align=X
            );

        intersection()
        {
            tz(extrusion_size/2)
            cubea([100, yidler_mount_width, 100], align=Z);

            hull()
            {
                for(y=[-1,1])
                ty(y*yaxis_idler_tightscrew_dist)
                tx(-yaxis_idler_mount_thickness)
                tz(extrusion_size/2)
                {
                    translate([yaxis_idler_mount_thickness/2,0,yaxis_belt_path_offset_z])
                    rcylindera(
                        h=extrusion_size+yaxis_idler_mount_thickness,
                        d=tighten_screw_dia_outer,
                        align=N,
                        orient=X
                        );
                    rcubea(
                        size=[extrusion_size, mount_screw_dist-yaxis_idler_mount_tightscrew_dia*3, yaxis_idler_mount_thickness],
                        align=Z,
                        extrasize=[yaxis_idler_mount_thickness,0,0],
                        extrasize_align=X
                        );
                }
            }

        }

    }
    else if(part=="neg")
    {
        // top/vertical mount screws (to extrusion)
        translate([0,0,extrusion_size/2+yaxis_idler_mount_thickness])
        for(y=[-1,0,1])
        ty(y*mount_screw_dist/2)
        screw_cut(nut=extrusion_nut, head_embed=false, h=yaxis_idler_mount_thickness+5*mm, with_nut=false, orient=-Z, align=-Z);

        // mount screws for pulley block
        for(y=[-1,1])
        translate([
            -extrusion_size/2-yaxis_idler_mount_thickness,
            y*yaxis_idler_tightscrew_dist,
            extrusion_size/2+yaxis_belt_path_offset_z])
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, head_embed=false, h=extrusion_size+yaxis_idler_mount_thickness+10*mm, with_nut=false, orient=X, align=X);

        // front/horizontal mount screws (to extrusion)
        tx(-extrusion_size/2)
        tx(-yaxis_idler_mount_thickness)
        for(y=[-1,1])
        ty(y*(yaxis_idler_mount_thread_dia*2.5))
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, h=yaxis_idler_mount_thickness+5*mm, with_nut=false, orient=X, align=X);
    }
}

module yaxis_idler_pulleyblock(part, show_pulley=false)
{
    h = yaxis_idler_pulley_h + 3*mm*2;
    if(part==U)
    {
        difference()
        {
            yaxis_idler_pulleyblock(part="pos");
            yaxis_idler_pulleyblock(part="neg");
        }
        %yaxis_idler_pulleyblock(part="vit");
    }
    else if(part=="pos")
    material(Mat_Plastic)
    {
        rcubea([yaxis_idler_pulleyblock_supportsize, 2*yaxis_idler_pulleyblock_supportsize, h],
            align=N,
            extrasize=[yaxis_idler_pulley_tight_len,0,0],
            extrasize_align=[-1,0,0]
            );
    }
    else if(part=="neg")
    {
        // pulley cutout
        tx(-3*mm)
        cubea(
            size=[yaxis_idler_pulley_outer_d, yaxis_idler_pulley_outer_d*3, yaxis_idler_pulley_h+0.5],
            align=N,
            extrasize=[20*mm,0,0], extrasize_align=X
            );

        // pulley screw
        tz(h/2)
        screw_cut(yaxis_idler_pulley_nut, h=h+5*mm, orient=[0,0,-1], align=[0,0,-1]);

        cylindera(d=yaxis_idler_pulley_thread_dia, h=h*2, orient=Z, align=N);

        for(y=[-1,1])
        translate([
            -yaxis_idler_pulleyblock_supportsize/2-yaxis_idler_pulley_tight_len,
            y*yaxis_idler_tightscrew_dist,
            0
        ])
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, head_embed=true, nut_offset=5*mm, h=yaxis_idler_pulley_tight_len, orient=X, align=X);
    }
    else if(part=="vit")
    {
        pulley(pulley_2GT_20T_idler);
    }

}

module part_y_idler()
{
    attach([N, [0,0,-1]], yaxis_idler_conn)
    {
        yaxis_idler();
    }
}

module part_y_idler_pulleyblock()
{
    attach([N, [0,0,-1]], yaxis_idler_pulleyblock_conn_print)
    {
        yaxis_idler_pulleyblock(show_pulley=false);
    }
}

/*yaxis_idler();*/
/*yaxis_idler_pulleyblock();*/

/*print_yaxis_idler();*/
/*print_yaxis_idler_pulleyblock();*/

/*attach([N,[-1,0,0]], yaxis_idler_conn)*/
/*{*/
    /*yaxis_idler();*/
    /*attach(yaxis_idler_conn_pulleyblock, yaxis_idler_pulleyblock_conn)*/
    /*{*/
        /*yaxis_idler_pulleyblock(show_pulley=true);*/
    /*}*/
/*}*/

include <y-idler.h>

use <thing_libutils/screws.scad>

module yaxis_idler(part)
{
    tighten_screw_dia_outer = yaxis_idler_mount_tightscrew_dia*4;
    mount_screw_dist = (yidler_w/2+yaxis_idler_mount_thread_dia*3)*1.3;

    if(part==U)
    {
        difference()
        {
            yaxis_idler(part="pos");
            yaxis_idler(part="neg");
        }
        yaxis_idler(part="vit");
    }
    else if(part=="pos")
    {
        // front plate
        tx(-extrusion_size/2)
        rcubea(
            size=[yaxis_idler_mount_thickness, yidler_mount_width, extrusion_size],
            align=-X,
            extrasize=Z*yaxis_idler_mount_thickness,
            extrasize_align=Z
            );

        // top mount plate
        translate([-yaxis_idler_mount_thickness,0,extrusion_size/2])
        rcubea(
            size=[extrusion_size, yidler_mount_width, yaxis_idler_mount_thickness],
            align=Z,
            extrasize=[yaxis_idler_mount_thickness,0,0],
            extrasize_align=X
            );

        intersection()
        {
            tz(extrusion_size/2)
            cubea([100, yidler_mount_width, 100], align=Z);

            hull()
            {
                for(y=[-1,1])
                ty(y*yaxis_idler_tightscrew_dist)
                tx(-yaxis_idler_mount_thickness)
                tz(extrusion_size/2)
                {
                    translate([yaxis_idler_mount_thickness/2,0,yaxis_belt_path_offset_z])
                    rcylindera(
                        h=extrusion_size+yaxis_idler_mount_thickness,
                        d=tighten_screw_dia_outer,
                        align=N,
                        orient=X
                        );
                    rcubea(
                        size=[extrusion_size, mount_screw_dist-yaxis_idler_mount_tightscrew_dia*3, yaxis_idler_mount_thickness],
                        align=Z,
                        extrasize=[yaxis_idler_mount_thickness,0,0],
                        extrasize_align=X
                        );
                }
            }

        }

    }
    else if(part=="neg")
    {
        // top/vertical mount screws (to extrusion)
        translate([0,0,extrusion_size/2+yaxis_idler_mount_thickness])
        for(y=[-1,0,1])
        ty(y*mount_screw_dist/2)
        screw_cut(nut=extrusion_nut, head_embed=false, h=yaxis_idler_mount_thickness+5*mm, with_nut=false, orient=-Z, align=-Z);

        // mount screws for pulley block
        for(y=[-1,1])
        translate([
            -extrusion_size/2-yaxis_idler_mount_thickness,
            y*yaxis_idler_tightscrew_dist,
            extrusion_size/2+yaxis_belt_path_offset_z])
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, head_embed=false, h=extrusion_size+yaxis_idler_mount_thickness+10*mm, with_nut=false, orient=X, align=X);

        // front/horizontal mount screws (to extrusion)
        tx(-extrusion_size/2)
        tx(-yaxis_idler_mount_thickness)
        for(y=[-1,1])
        ty(y*(yaxis_idler_mount_thread_dia*2.5))
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, h=yaxis_idler_mount_thickness+5*mm, with_nut=false, orient=X, align=X);
    }
}

module yaxis_idler_pulleyblock(part, show_pulley=false)
{
    h = yaxis_idler_pulley_h + 3*mm*2;
    if(part==U)
    {
        difference()
        {
            yaxis_idler_pulleyblock(part="pos");
            yaxis_idler_pulleyblock(part="neg");
        }
        %yaxis_idler_pulleyblock(part="vit");
    }
    else if(part=="pos")
    {
        rcubea([yaxis_idler_pulleyblock_supportsize, 2*yaxis_idler_pulleyblock_supportsize, h],
            align=N,
            extrasize=[yaxis_idler_pulley_tight_len,0,0],
            extrasize_align=[-1,0,0]
            );
    }
    else if(part=="neg")
    {
        // pulley cutout
        tx(-3*mm)
        cubea(
            size=[yaxis_idler_pulley_outer_d, yaxis_idler_pulley_outer_d*3, yaxis_idler_pulley_h+0.5],
            align=N,
            extrasize=[20*mm,0,0], extrasize_align=X
            );

        // pulley screw
        tz(h/2)
        screw_cut(yaxis_idler_pulley_nut, h=h+5*mm, orient=[0,0,-1], align=[0,0,-1]);

        cylindera(d=yaxis_idler_pulley_thread_dia, h=h*2, orient=Z, align=N);

        for(y=[-1,1])
        translate([
            -yaxis_idler_pulleyblock_supportsize/2-yaxis_idler_pulley_tight_len,
            y*yaxis_idler_tightscrew_dist,
            0
        ])
        screw_cut(yaxis_idler_mount_tightscrew_hexnut, head_embed=true, nut_offset=5*mm, h=yaxis_idler_pulley_tight_len, orient=X, align=X);
    }
    else if(part=="vit")
    {
        pulley(pulley_2GT_20T_idler);
    }

}

module part_y_idler()
{
    attach([N, [0,0,-1]], yaxis_idler_conn)
    {
        yaxis_idler();
    }
}

module part_y_idler_pulleyblock()
{
    attach([N, [0,0,-1]], yaxis_idler_pulleyblock_conn_print)
    {
        yaxis_idler_pulleyblock(show_pulley=false);
    }
}

/*yaxis_idler();*/
/*yaxis_idler_pulleyblock();*/

/*print_yaxis_idler();*/
/*print_yaxis_idler_pulleyblock();*/

/*attach([N,[-1,0,0]], yaxis_idler_conn)*/
/*{*/
    /*yaxis_idler();*/
    /*attach(yaxis_idler_conn_pulleyblock, yaxis_idler_pulleyblock_conn)*/
    /*{*/
        /*yaxis_idler_pulleyblock(show_pulley=true);*/
    /*}*/
/*}*/


try fixing the cutout sizes

try fixing the cutout sizes

tol = 0.5;
screen_tol = 1;
pcb_x = 130;
pcb_y = 110;
pcb_z = 4;
bolt_d = 3.6;
shift_bolt = 5;

// box thickness
th = 2;

shift_x = 4;
shift_y = th + 1;

box_x = pcb_x + shift_x + 4;
box_y = pcb_y + shift_y + th;

pcb_width = 2;
pcb_up = 9;

box_z = th + pcb_up + pcb_width - 1;

socket_h = 15;
socket_w = 10;
socket_n = 5;
socket_int = 20;
start_socket_x = 20 + shift_x;
eps = 1e-1;

usb_type_b_w = 12;
usb_type_b_h = 11;
start_type_b_y = shift_y + 81.5;
//start_type_b_z = th + pcb_z + tol;

usb_type_a_w = 13.4;
usb_type_a_h = 7.3;
start_type_a_y = shift_y + 47;
//start_type_a_z = th + pcb_z + tol;

// programmator
micro_x = 10;
micro_y = 21.1;
micro_start_x = shift_x + 4.75;
micro_start_y = shift_y + pcb_y - 23.3 - micro_y;

contrast_start_x = shift_x + 38.4;
contrast_start_y = shift_y + 25.7;
volume_start_x = shift_x + pcb_x - 39.2;
volume_start_y = contrast_start_y;
pot_d = 7;
under_pcb = 13;
fn = 10;
gaika_h = 4;
gaika_w = 5.6;
stoiki_r = 4;
wide_stoiki_r = stoiki_r + 2;

translate([0,0,-50]) {

difference() {
  union() {
    difference() {
      cube([box_x,box_y,box_z], false);
      translate([th, th, th]) {
        cube([box_x-2*th+eps, box_y-2*th+eps, box_z-th+eps], false);
      }
    }
    // under_pcb, stoiki
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
//        translate([dx,dy,pcb_up/2+th-eps]) {
//          cube(size=[under_pcb,under_pcb,pcb_up], center=true);
//        }
        translate([dx,dy,th-eps]) {
          cylinder($fn=6, r=stoiki_r, h=pcb_up);
          cylinder($fn=6, r=wide_stoiki_r, h=gaika_h);
        }
      }
    }
    translate([box_x/2, box_y/2, th-eps]) {
      cylinder($fn=6, r=stoiki_r, h=pcb_up);
    }
  }

  // bolts
  for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      translate([dx,dy,-eps]) {
        cylinder($fn=fn, r=bolt_d/2, h=th+pcb_up+2*eps);
        // gaika
        cylinder($fn=6, r=gaika_w / 2 / cos(30) + 0.05, h=gaika_h);
      }
    }
  }

//    // usb_in1 type b
//    translate([box_x-th-eps, start_type_b_y-tol, start_type_b_z]) {
//        cube(size=[th+2*eps, usb_type_b_w+2*tol, box_z]);
//    }

//    // usb_out1 type a
//    translate([-eps, start_type_a_y - tol, start_type_a_z]) {
//        cube(size=[th+2*eps, usb_type_a_w + 2*tol, box_z]);
//    }

    // programmator
    translate([micro_start_x-tol,micro_start_y-tol, -eps]) {
      cube(size=[micro_x+2*tol, micro_y+2*tol, th+2*eps]);
    }

    // contrast
    translate([contrast_start_x, contrast_start_y, -eps]) {
      cylinder($fn=fn, r=pot_d/2, h=th+2*eps);
    }

    // volume
//    translate([volume_start_x, volume_start_y, -eps]) {
//      cylinder($fn=20, r=pot_d/2, h=th+2*eps);
//    }
}
}

top_box_z = 15 + th;
stoiki_h = top_box_z - th;
wide_stoiki_h = 2;
pcb_room = 0.5;
screen_start_x = shift_x + 29.15;
screen_start_y = shift_y + 39.1;
screen_length_x = 72;
screen_length_y = 24.2;
screen_hold_x = 40;
screen_hold_y = 4;
screen_hold_start_z = 12;
screen_hold_y_shift = 2;
screen_hold_up_x = 15;
screen_hold_up_x_shift = 5;

master_button_y = shift_y + 10;
master_button_x = shift_x + 43;
master_button_int = 21.8;
master_button_r = 3;
top_bolt_h = 1.5;
top_bolt_r = 3.5;
speaker_shift = 18;
speaker_r = 15;
speaker_h = 15;
speaker_hole_d = 10;
speaker_hole_int = 3;
speaker_hole_w = 1.5;
speaker_shift = 18;

!difference() {
  union() {
    difference() {
      cube([box_x,box_y,top_box_z], false);
      translate([th, th, -eps]) {
        cube([box_x-2*th+eps, box_y-2*th+eps, top_box_z-th+eps], false);
      }
    }
    // stoiki
    for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
      for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
        translate([dx,dy,pcb_room]) {
	  cylinder($fn=6, r=stoiki_r, h=top_box_z-th+eps);
        }
        translate([dx,dy,top_box_z-th-wide_stoiki_h+eps]) {
	  cylinder($fn=6, r=wide_stoiki_r, h=wide_stoiki_h+th-2*eps);
        }
      }
    }
    // screen_hold
    translate([screen_start_x + (screen_length_x - screen_hold_x)/2, screen_start_y - screen_hold_y_shift - screen_hold_y, screen_hold_start_z]) {
	cube([screen_hold_x, screen_hold_y, top_box_z - screen_hold_start_z - th + eps]);
    }
    translate([screen_start_x + screen_length_x - screen_hold_up_x - screen_hold_up_x_shift, screen_start_y + screen_length_y + screen_hold_y_shift, screen_hold_start_z]) {
	cube([screen_hold_up_x, screen_hold_y, top_box_z - screen_hold_start_z - th + eps]);
    }
  }
  // - speaker na stoikah
  translate([shift_x + pcb_x - 18, shift_y + 18, 0]) {
    cylinder(r=speaker_r, h = 15, $fn=20);
  }
  // speaker_hole
  for (dy = [shift_y + speaker_shift - speaker_hole_int - speaker_hole_w*3/2,
             shift_y + speaker_shift - speaker_hole_w/2,
             shift_y + speaker_shift + speaker_hole_int + speaker_hole_w/2]) {
    translate([shift_x + pcb_x - speaker_shift - speaker_hole_d, dy, top_box_z-th-eps]) {
      cube(size=[speaker_hole_d, speaker_hole_w, th + 2*eps]);
    }
  }

  // bolts
  for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      translate([dx,dy,-eps]) {
        cylinder($fn=fn, r=bolt_d/2, h=top_box_z+2*eps);
      }
      translate([dx, dy, top_box_z - top_bolt_h]) {
        cylinder($fn=6, r=top_bolt_r, h=top_bolt_h + eps);
      }
    }
  }

  // screen
  translate([screen_start_x - screen_tol, screen_start_y - screen_tol, top_box_z - th - eps]) {
      cube([screen_length_x + 2*screen_tol, screen_length_y + 2*screen_tol, th + 2*eps]);
  }
  // sockets
  for (i = [0:1:socket_n-1]) {
      translate([start_socket_x+i*socket_int - tol, box_y-th-eps, -eps]) {
	  cube(size=[socket_w + 2*tol, th+2*eps, socket_h]);
      }
  }
  // type_b
  translate([box_x - th - eps, start_type_b_y - tol, -tol]) {
      cube([th + 2*eps, usb_type_b_w + 2*tol, usb_type_b_h + 2*tol]);
  }
  // type_a
  translate([-eps, start_type_a_y - tol, -eps]) {
      cube([th + 2*eps, usb_type_a_w + 2*tol, usb_type_a_h + 2*eps]);
  }
  // master buttons
  for (i = [0:1:2]) {
    dx = master_button_x + master_button_int*i;
    translate([dx, master_button_y, top_box_z - th - eps]) {
      cylinder($fn=fn, r=master_button_r + tol, h=th+2*eps);
    }
  }
}

//// bolts
//for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
//  for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
//    difference() {
//      translate([dx,dy,pcb_up/2+th]) {
//        cube(size=[a,a,pcb_up], center=true);
//      }
//      translate([dx,dy,-eps]) {
//        cylinder($fn=20, r=bolt_d/2, h=th+pcb_up+2*eps);
//      }
//    }
//  }
//}

//leg_r = t;
//shift = t/2+leg_r;
//for (dx = [shift, a-shift])
//    for (dy = [shift, b-shift]) {
//        translate([dx, dy, 0]) {
//            cylinder(h=c, r=leg_r, $fn=40);
//        }
//    }

tol = 0.5;
pcb_x = 130;
pcb_y = 110;
pcb_z = 4;
bolt_d = 3.6;
shift_bolt = 5;

// box thickness
th = 2;

shift_x = 4;
shift_y = th + 1;

box_x = pcb_x + shift_x + 4;
box_y = pcb_y + shift_y + th;

pcb_width = 2;
pcb_up = 9;

box_z = th + pcb_up + pcb_width - 1;

socket_h = 15;
socket_w = 10;
socket_n = 5;
socket_int = 20;
start_socket_x = 20 + shift_x;
start_socket_z = th + pcb_z + tol;
eps = 1e-1;

usb_type_b_w = 12;
usb_type_b_h = 11;
start_type_b_y = shift_y + 81.5;
//start_type_b_z = th + pcb_z + tol;

usb_type_a_w = 13.4;
usb_type_a_h = 7.3;
start_type_a_y = shift_y + 47;
//start_type_a_z = th + pcb_z + tol;

// programmator
micro_x = 10;
micro_y = 21.1;
micro_start_x = shift_x + 4.75;
micro_start_y = shift_y + pcb_y - 23.3 - micro_y;

contrast_start_x = shift_x + 38.4;
contrast_start_y = shift_y + 25.7;
volume_start_x = shift_x + pcb_x - 39.2;
volume_start_y = contrast_start_y;
pot_d = 7;
under_pcb = 13;
fn = 10;
gaika_h = 4;
gaika_w = 5.6;
stoiki_r = 4;
wide_stoiki_r = stoiki_r + 2;

translate([0,0,-50]) {

difference() {
  union() {
    difference() {
      cube([box_x,box_y,box_z], false);
      translate([th, th, th]) {
        cube([box_x-2*th+eps, box_y-2*th+eps, box_z-th+eps], false);
      }
    }
    // under_pcb, stoiki
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
//        translate([dx,dy,pcb_up/2+th-eps]) {
//          cube(size=[under_pcb,under_pcb,pcb_up], center=true);
//        }
        translate([dx,dy,th-eps]) {
          cylinder($fn=6, r=stoiki_r, h=pcb_up);
          cylinder($fn=6, r=wide_stoiki_r, h=gaika_h);
        }
      }
    }
    translate([box_x/2, box_y/2, th-eps]) {
      cylinder($fn=6, r=stoiki_r, h=pcb_up);
    }
  }

  // bolts
  for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      translate([dx,dy,-eps]) {
        cylinder($fn=fn, r=bolt_d/2, h=th+pcb_up+2*eps);
        // gaika
        cylinder($fn=6, r=gaika_w / 2 / cos(30) + 0.05, h=gaika_h);
      }
    }
  }

//    for (i = [0:1:socket_n-1]) {
//        translate([start_socket_x+i*socket_int-tol, box_y-th-eps, start_socket_z]) {
//            cube(size=[socket_w+2*tol, th+2*eps, box_z]);
//        }
//    }

//    // usb_in1 type b
//    translate([box_x-th-eps, start_type_b_y-tol, start_type_b_z]) {
//        cube(size=[th+2*eps, usb_type_b_w+2*tol, box_z]);
//    }

//    // usb_out1 type a
//    translate([-eps, start_type_a_y - tol, start_type_a_z]) {
//        cube(size=[th+2*eps, usb_type_a_w + 2*tol, box_z]);
//    }

    // programmator
    translate([micro_start_x-tol,micro_start_y-tol, -eps]) {
      cube(size=[micro_x+2*tol, micro_y+2*tol, th+2*eps]);
    }

    // contrast
    translate([contrast_start_x, contrast_start_y, -eps]) {
      cylinder($fn=fn, r=pot_d/2, h=th+2*eps);
    }

    // volume
//    translate([volume_start_x, volume_start_y, -eps]) {
//      cylinder($fn=20, r=pot_d/2, h=th+2*eps);
//    }
}
}

top_box_z = 15 + th;
stoiki_h = top_box_z - th;
wide_stoiki_h = 2;
pcb_room = 0.5;
screen_start_x = shift_x + 28;
screen_start_y = shift_y + 40;
screen_length_x = 72;
screen_length_y = 24;
screen_hold_x = 40;
screen_hold_y = 4;
screen_hold_start_z = 12;
screen_hold_y_shift = 2;
screen_hold_up_x = 25;
screen_hold_up_x_shift = 5;

master_button_y = shift_y + 10;
master_button_x = shift_x + 43;
master_button_int = 21.8;
master_button_r = 3;
top_bolt_h = 1.5;
top_bolt_r = 3.5;
speaker_shift = 18;
speaker_r = 15;
speaker_h = 15;
speaker_hole_d = 10;
speaker_hole_int = 3;
speaker_hole_w = 1.5;
speaker_shift = 18;

!difference() {
  union() {
    difference() {
      cube([box_x,box_y,top_box_z], false);
      translate([th, th, -eps]) {
        cube([box_x-2*th+eps, box_y-2*th+eps, top_box_z-th+eps], false);
      }
    }
    // stoiki
    for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
      for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
        translate([dx,dy,pcb_room]) {
	  cylinder($fn=6, r=stoiki_r, h=top_box_z-th+eps);
        }
        translate([dx,dy,top_box_z-th-wide_stoiki_h+eps]) {
	  cylinder($fn=6, r=wide_stoiki_r, h=wide_stoiki_h+th-2*eps);
        }
      }
    }
    // screen_hold
    translate([screen_start_x + (screen_length_x - screen_hold_x)/2, screen_start_y - screen_hold_y_shift - screen_hold_y, screen_hold_start_z]) {
	cube([screen_hold_x, screen_hold_y, top_box_z - screen_hold_start_z - th + eps]);
    }
    translate([screen_start_x + screen_length_x - screen_hold_up_x - screen_hold_up_x_shift, screen_start_y + screen_length_y + screen_hold_y_shift, screen_hold_start_z]) {
	cube([screen_hold_up_x, screen_hold_y, top_box_z - screen_hold_start_z - th + eps]);
    }
  }
  // - speaker na stoikah
  translate([shift_x + pcb_x - 18, shift_y + 18, 0]) {
    cylinder(r=speaker_r, h = 15, $fn=20);
  }
  // speaker_hole
  for (dy = [shift_y + speaker_shift - speaker_hole_int - speaker_hole_w*3/2,
             shift_y + speaker_shift - speaker_hole_w/2,
             shift_y + speaker_shift + speaker_hole_int + speaker_hole_w/2]) {
    translate([shift_x + pcb_x - speaker_shift - speaker_hole_d, dy, top_box_z-th-eps]) {
      cube(size=[speaker_hole_d, speaker_hole_w, th + 2*eps]);
    }
  }

  // bolts
  for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
    for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
      translate([dx,dy,-eps]) {
        cylinder($fn=fn, r=bolt_d/2, h=top_box_z+2*eps);
      }
      translate([dx, dy, top_box_z - top_bolt_h]) {
        cylinder($fn=6, r=top_bolt_r, h=top_bolt_h + eps);
      }
    }
  }

  // screen
  translate([screen_start_x, screen_start_y, top_box_z - th - eps]) {
      cube([screen_length_x, screen_length_y + tol, th + 2*eps]);
  }
  // sockets
  for (i = [0:1:socket_n-1]) {
      translate([start_socket_x+i*socket_int-tol, box_y-th-eps, -eps]) {
	  cube(size=[socket_w+2*tol, th+2*eps, socket_h]);
      }
  }
  // type_b
  translate([box_x - th - eps, start_type_b_y - tol, -tol]) {
      cube([th + 2*eps, usb_type_b_w + 2*tol, usb_type_b_h + 2*tol]);
  }
  // type_a
  translate([-eps, start_type_a_y, -eps]) {
      cube([th + 2*eps, usb_type_a_w+eps, usb_type_a_h+2*eps]);
  }
  // master buttons
  for (i = [0:1:2]) {
    dx = master_button_x + master_button_int*i;
    translate([dx, master_button_y, top_box_z - th - eps]) {
      cylinder($fn=fn, r=master_button_r+tol, h=th+2*eps);
    }
  }
}

//// bolts
//for (dx = [shift_x+shift_bolt, shift_x+pcb_x-shift_bolt]) {
//  for (dy = [shift_y+shift_bolt, shift_y+pcb_y-shift_bolt]) {
//    difference() {
//      translate([dx,dy,pcb_up/2+th]) {
//        cube(size=[a,a,pcb_up], center=true);
//      }
//      translate([dx,dy,-eps]) {
//        cylinder($fn=20, r=bolt_d/2, h=th+pcb_up+2*eps);
//      }
//    }
//  }
//}

//leg_r = t;
//shift = t/2+leg_r;
//for (dx = [shift, a-shift])
//    for (dy = [shift, b-shift]) {
//        translate([dx, dy, 0]) {
//            cylinder(h=c, r=leg_r, $fn=40);
//        }
//    }