John Edmark has 3d-printed a series of sculptures which do something rather remarkable when you rotate them. In the stop-motion animation above, the sculpture rotates by the golden angle in each frame.
See more: Blooming Zoetrope Sculptures by John Edmark at Instructables.
via Henry Segerman on Google+
Doodal is a happy little toy which helps you draw fractals. This video explains how:
It’s a Flash applet, which means it doesn’t work on mobile devices :(
Erik Åberg is
selling a short documentary about these lovely foldy cubes on his website.
via Will Davies on Twitter
I really really like this zoom into a Menger sponge made by Reuben Thomas of functor.co.
via newcastleDM on Twitter