George hart 3D models for 3d printers

Hart's Cube Puzzle

Hart's Cube Puzzle

Face-centered Cubic Voroni Tetrahedron

Face-centered Cubic Voroni Tetrahedron

Platonic puzzles

Platonic puzzles

George R. R. Martin's Cyvasse (unofficial game)

George R. R. Martin's Cyvasse (unofficial game)

George Jetson

George Jetson

Rosa Sant Jordi key ring (Flexible)

Rosa Sant Jordi key ring (Flexible)