Puzzles Made from Geometric Shapes
Information, shapes, solutions, online solvers and 3D printing templates for classic and less familiar polyform puzzles.
Well-Known Puzzles
Pentominoes
Twelve shapes made from five squares each. They can be used to form many figures and rectangles.
Tangram
The well-known Chinese dissection puzzle made from seven pieces. Its figures are usually not bound to a regular grid.
Soma Cube
Seven pieces built from small cubes. Besides the cube, many other spatial figures can be built.
Hexiamonds
Twelve shapes made from six equilateral triangles each. They can be combined into many geometric figures.
More Areas
All Puzzles
The complete overview of all 2D and 3D puzzles on this website. Each puzzle presented here has a free 3D printing template. For some 2D puzzles, there are templates for making the puzzles from cardboard.
Shapes & Solutions
Overviews with shapes and solutions for five different polyform puzzles.
Shape Overviews
Tools & Downloads
Online solvers, Windows desktop solver programs, cardboard templates, figure templates and links to the 3D printing templates on Printables.
Latest Updates
June 28, 2026
New Windows solver added: PolyformSolver. The program can be used to create and solve polyform puzzles. It supports different grids, custom or automatically generated piece sets, and an English/German interface.
March 23, 2026
Two 3D printing templates have been updated: Hexiamond Puzzle and Tetracairo Puzzle. The updated versions have an improved storage box and an optimized sliding lid.
March 5, 2026
Online solvers have been added for several puzzles. The solvers run directly in the browser, with no installation and no download.
