Sigils that I came up with.
Flags that I came up with.
Astronomical/Astrological symbols for the moons of other planets.
Astronomical/Astrological symbols for some of the largest named trans-Neptunian objects.
Mathematical diagrams that I came up with.
A form 27B/6, from the movie Brazil, that I made for a scavenger hunt.
Natal Charts for Mars Rovers.
Magic Circles from "Oh My Goddess!"
November Moon - a sketch based on a photo.
Proposed symbols for Fictional Currencies.
Platonic solid flowers - circular flowery things based on the platonic solids.