on the piece at the bottom and used 2 1/2″ wood screws to attach the piece at the front.
using 1 1/2″ pocket holes and 2 1/2″ pocket hole screws, i attached a 2×4 middle support piece like shown. this just helps keep everything square and keeps it from bowing.
this is the fun part. i cut several pieces of 1×6 board at 36″ long and glued and nailed them into the frame like shown. (sorry! the piece for the top is leaning up on the front, but you get the idea, right?) it’s easiest to start in the middle of the front here and work your way out. when you get 