While doing some reading for his Masters programme, Dino stumbled upon a lecture on ray-tracing (a 3D rendering technique) that featured some Ultima-themed artwork as an example:

Notable elements in the diagram include the Bell, Book, and Candle, which feature in Ultima 4, and also the Ultima 4 Ultima 5-era [Thanks, Donn! – Ed.] map of Britannia. The tarot cards are the same as were found in Ultima 9, both in the game box and in the game proper.