TriSphere Flexable Mesh

Like [FlexMesh](http://www.thingiverse.com/thing:442571), **TriSphere** is a geometric pattern I developed about a year ago to explore the boundaries of today's low-cost 3D printing technologies. I believe the origins of this pattern are from the celtic tradition. I have every intention of improving the joinery in this design, both to ease assembly and to improve the flexibility of the resulting fabric. But after a year of other more pressing priorities, I'm releasing this version for designers to play with.

As I've tried to show in the accompanying photos, the TriSphere fabric results from the spacial interaction of 3 separate mats. Each mat is constructed using two basic shapes -- Mains and Subs. Mains are the 3-legged pieces that are most prominently visible in the assembled design. Subs, which are mostly hidden underneath the Mains, are used to join one leg of each of the adjoining Mains of a mat.

For the sake of clarity, the colors I've chosen for the Mains of each m