I’ve always thought the artwork people put in the top layer of their chips was cool.
Do a google image search for chip artwork to see some more fun examples.
While waiting for some toolchain bugs to get ironed out I’ve made a tool to help me make logos. It can take SVG or PNG input and
makes a GDS2 file output. These files can then be merged together to create the final layout for the ASIC.
Code is here