ISO-10303-21;
HEADER;
FILE_DESCRIPTION((''),'2;1');
FILE_NAME('CUBE_4SQUARE','2013-11-29T',('acook'),(''),
'SOMETHINGCAD BY SOME CORPORATION, 2012130',
'SOMETHINGCAD BY SOME CORPORATION, 2012130','');
FILE_SCHEMA(('CONFIG_CONTROL_DESIGN'));
ENDSEC;
/* file written by SomethingCAD */
DATA;
#1=DIRECTION('',(1.E0,0.E0,0.E0));
#2=VECTOR('',#1,4.E0);
#3=CARTESIAN_POINT('',(-2.E0,-2.E0,-2.E0));
#4=LINE('',#3,#2);
#5=DIRECTION('',(0.E0,1.E0,0.E0));
#6=VECTOR('',#5,4.E0);
#7=CARTESIAN_POINT('',(2.E0,-2.E0,-2.E0));
#8=LINE('',#7,#6);
#9=DIRECTION('',(-1.E0,0.E0,0.E0));
#10=VECTOR('',#9,4.E0);
#11=CARTESIAN_POINT('',(2.E0,2.E0,-2.E0));
#12=LINE('',#11,#10);
#13=DIRECTION('',(0.E0,-1.E0,0.E0));
#14=VECTOR('',#13,4.E0);
#15=CARTESIAN_POINT('',(-2.E0,2.E0,-2.E0));
#16=LINE('',#15,#14);
#17=DIRECTION('',(0.E0,0.E0,1.E0));
#18=VECTOR('',#17,4.E0);
#19=CARTESIAN_POINT('',(-2.E0,-2.E0,-2.E0));
#20=LINE('',#19,#18);
#21=DIRECTION('',(0.E0,0.E0,1.E0));
ENDSEC;
END-ISO-10303-21;

Add detection test for step21
Add detection test for step21
