A beautiful project where colours and overlaying shapes reflect sun & moon movement.
The old doors of Qatar are beautiful. More here.
A Japanese design magazine, focussing on pattern, published late 1800s/early 1900s. Here you can find 39 issues to view.
Simple shapes and a few patterns make for endless joy. Rubber stamps now online.
A splendid collection of old posters from Otl Aicher. Via the incredible Plakat Kontor.
Convert the internet into coloured spots, to make it a happier place.
Cymatics are the study of wave patterns. This book from 1797 has many diagrams of the phenomena. Thank you Monoskop.