Craig S. Kaplan

isohedral.ca

22 October 2026 01:45

Nice! The trouble with choosing tile colours by averaging pixels is that the result can be somewhat blurry. Or, if you sample to get tile colours, noisy. A recent Master's student of mine wrote a nice thesis on "pixel art with non-square pixels". dl.acm.org/doi/pdf/10.1...

robertfathauer.bsky.social

21 October 2026 21:33

“The First Knot”, woodcut by Albrecht Dürer, c. 1507, design taken from an engraving by the school of Leonardo da Vinci. On the right I colored strands to better understand the design. The blue portion by itself is the unknot, while the red portion is the (16, 3) torus knot ...

Dave Richeson

divbyzero.bsky.social

20 October 2026 12:58

Here's my latest visual illusion. I came up with the idea while walking the other day. It is a 3D-printed sheet with holes cut so that it looks different from two different directions, or when light is shone through. What do you think? Spooky? 1/3

Peter Kagey

peterkagey.com

19 October 2026 23:58

A sequence of squares I was doodling on graph paper in a faculty meeting: the rule is that all of the squares have integer coordinates, live in the first quadrant, are drawn in increasing order, and the "internal pattern" of any two squares must be distinct.

Tim Chartier

timchartier.bsky.social

19 October 2026 23:57

Each line goes from a point on the outer circle to a point on the inner one. No line bends. Yet the pattern they make has curves, cusps and loops. Linear steps, non-linear result. #mathart #generativeart