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
Bolt Bowl
wslab
Polymate3D Maker Coin
Paul Ellis (Polymate3D)
Print remover
Least Valuable Player
Puzzle cube 3x3
Rafael Borri
Puzzle 15
gogol-mogol
simple phone stand
Sir_Grislemead
Letter B tag
willnewton