bolt box a simple to print but hard to solve 3d puzzle —

Founded bolt box a simple to print but hard to solve 3d puzzle models & stl files for printing
12Piece 3D Puzzle
ericman314
Earth 3D Puzzle
Daniel Thompson
Cross Puzzle
Creative MinerX
Deathclaw Puzzle Kit
JawDropPropShop
Easy Puzzle Cube
Procione92
Marble Run Sliding Puzzle
Coffreedom_Official
hedgehog 3d puzzle
Tony the riceball