five screw puzzles by george hart —

Founded five screw puzzles by george hart models & stl files for printing
Puzzle Cube
Delangerous
6 piece cross puzzle
Mecha3ddesign
3DPuzzle
Hema
Puzzle 1
Razia007
4x4 Puzzle Cube
thomassousa
screw box
Chopin
Puzzle Frame
psu1989