Cover stories: Making the graphene quasicrystals cover

Cover stories offer a look at the process behind the art on the cover: who made it, how it got made, and why. As described in a Report in this week's issue, an unusual geometric property arises in a bilayer graphene structure in which one layer is rotated 30 degrees with respect to the other. Tiles of triangles, rhombuses, and squares can be mapped over this grid in a pattern called Stampfli tiling. While looking at a figure from this Report (Figure 1), I thought, "No problem. I'll fire up Illustrator, draw the three different shapes, and get to work."