three piece interlocking tetrahedron puzzle stewart coffin —

Founded three piece interlocking tetrahedron puzzle stewart coffin models & stl files for printing
Puzzle X
Brent Werder Design
8 Ball Puzzle
tmackay
Puzzle 3  The Box
djedje_zr7
Puzzle box 1
merakrom
Puzzle Cube
tmackay
Puzzle Block C
BentWeiss
Puzzle Block D
BentWeiss
Puzzle Block A
BentWeiss
Puzzle Cube
alex_3dprint
Stratego pieces
MBprint