This is a puzzle game called Soma Cube invented by Piet Hein in 1933. It consists of seven different polycubes. All pieces made out of unit cubes must be assembled into a 3×3×3 cube. In case of problems, take a look at a completed cube, which is available for view in a separate file.

Recommended print settings

• layer height: 0.2 mm
• infill: 10% grid
• perimeters: 3
• solid layers: 5
• seam position: aligned
• supports: no