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Hanusa Design
@hanusadesign.com

Forbidden subgraph earrings - wear a theorem on your ears! Kuratowski's theorem says that a graph is planar if and only if it contains neither a K5 nor a K3,3 as a subgraph. Here are those two forbidden subgraphs. Available at hdsn.us/NE230. #MathSky #mathjewelry #gomath

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Hanusa Design
@hanusadesign.com

I know, I know, it's hard to improve on the cube. But hear me out! What if you interlock two wireframe cubes together? Sure, it's crazy. But wait there's more! What if you attach a third one? And you can wear them! On your ears? What?! hdsn.us/NE210 #MathSky #cubes #nylonjewelry #3dprinted

Hanusa Design
@hanusadesign.com

The merkaba has long been a mystic symbol. At its heart is the intersection of two tetrahedra. Here is my take on this classic form, replacing the sharp lines by soft curves. Merkaba Earrings available now: hdsn.us/NE221 #MathSky #mathjewelry #nylonearrings #3dprinted #merkaba #sacredgeometry