This example appeared on the opening page. There isn't a larger version. It is based on the second iteration of a square.
There are two more based on the 4th iteration further down this page.
The next 4 are a sequence based on the heptagon with spokes. Click on "Download" to obtain larger versions.
Two more images based on the heptagon, but with different colour schemes and some "post processing".
A pattern based on the pentagon coloured in by one of my children.
Two patterns based on the 4th iteration of a square. The second is the dual of the first.
Two patterns based on 4x4 grid. The second one has been put through the Paintshop Pro "Weave" feature
(c) John Whitehouse 2011 - 2017