box
58×28 bottom plank
58×20 top plank
58×15 backing board top
61×10 backing board bottom
50×28 sides x2
plywood (3x 360 spacing and 2x 60 to edge)
1140 screw
780 screw
420 screw
60 screw
plasterboard
~0 screw
200 glue
400 screw
600 glue
800 screw
1000 glue
~1200 screw