Spreadshirt Metatron's Cube Unisex Tie Dye T-Shirt Wash inside out and set on a gentle machine cycle in cold water The tesseract is the four-dimensional hypercube, or 4-cube. Just as the surface of the cube consists of 6 square faces, the hypersurface of the tesseract consists of 8 cubical cells. This awesome print is perfect for lovers of geometry and esoteric Processed and printed exclusively by Spreadshirt in the U.S.A. Outstanding product and printing quality for long lasting comfort and durability! Makes a great gift for any occasion. Super fast shipping! 100% Money back guarantee! Once your purchase is complete, we print your product on-demand. This is how we provide one-of-a-kind articles that our customers love. An added benefit: On-demand printing reduces waste and is environmentally friendly!