puzzle box modified matchbox chinese japanese box

free plans from bruce vineys website, homemade puzzleboxes.
Created so no glueing was necessary, only two bolts.
Designed to fit a cigarette pack, but can be resized or scaled.
no support necessary.
On assembly, the lid is slightly longer than the bottom,
Also, one side peice has extra length on the bottom layer, this length is pointed down, and goes on the side that slides down.