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Makers: Ioana Browne, Michael Browne, Mircea Draghicescu, and Carmen Ionescu , Palo Alto, CA

You can make a variety of three-dimensional shapes using Itsphun’s interlocking triangles, squares, pentagons, and hexagons.

How Does It Work
Each foam shape has a slot that slides into the slot of another foam shape. Using Itsphun’s simple two-dimensional shapes, you can create Platonic solids, Archimedean solids, and Johnson solids.
About the Makers
Ioana and Michael are a wife-and-husband team. Ioana worked as a mathematics teacher and Michael works as a computer programmer at Stanford’s Linear Accelerator Center. Ioana and Michael’s designs are inspired by mathematics.