Introducing Mobies!

This story started with our desire to expand the capability of the Geometiles® to make transformable hinged constructions. In particular, we were interested in making flexagons using the equilateral and square Geometiles tiles. Flexagons are polygons typically made of paper, which can be folded to expose certain faces and hide others. They were invented by…
Read more »

Campanus’ Sphere

In these very uncertain times, I find it comforting to look at something eternal and classical. It’s even better if this is an object whose model I can construct. After months of quarantine, I finally hit upon the perfect pandemic craft object: the Campanus’ Sphere. This beautiful polyhedral frame was frequently portrayed during the Rennaissance…
Read more »