There are six regular convex polytopes in 4D, which are analogous to the five Platonic solids in 3D. This is the second, analogous to the octahedro...

• 12 faceted die (based on the dodecahedron) • Could be worn as a pendant • Lanyard not included See my New Spring Loaded Dice: Spring-loaded...

Produced using SeifertView (http://www.win.tue.nl/~vanwijk/seifertview/)The figure 8 knot is the simplest knot after the trefoil and the unknot, an...

a formula based model.

A 3d printed stress toy. So far it has turned out to be very resilient and helpful ;-) (See video!) I recommend this for people in customer service...

A self-referential tessellation of the torus.

A d2 made from the dual of a standard sphereicon. (made from a cylinder instead of a dual-cone) Pips are placed on either side to see the result.

A soccerball (truncated icosahedron) that has been layered, fractalized and softened a bit. (size: 3 inches)

This pair of loosely entangled bracelets is based on Gyroid bones.A very elegant variation on the mathematical equation.This is the broad versio...

Jack's Cube was suggested by Jack via YouTube. The design was inspired on the Magic Sphere puzzle. Jack's Cube has three types of moves. First ther...

A spherical gyroid with voronoi structure.

"Sphere within a sphere within a sphere" small sculpture with a moving ball within a ball (3 spheres in all). The surface consists of a structure f...