Department of Chemistry, Lancaster University, Lancaster LA1 4YW, U.K. School of Chemistry, University of East Anglia, Norwich NR4 7TJ, U.K.

The D20, or twenty-sided die, is most commonly known in the shape of a regular icosahedron. It’s a fantastic, enchanting geometry, and one that has held the balance of fate in innumerable ...

Building a sphere is of course a bit tricky with a laser cutter, so [Jonathan] went for the icosahedron shaped Dymaxion map projection (think of a large d20 dice) and burnt the world onto it.