Origami Tessellation: Lilacs and Lavender (opens in new tab)

This I just did last Saturday.I had the diagram for it for a few weeks and finally decided it was time. When I examined the diagram more carefully, I realized that what I'd drawn didn't actually work as a flat fold. I tinkered with it a little more and finally arrived at the finished idea. This was a beast of a tessellation to fold. I mean, it was just super, super hard. It fought me every step of the way. What makes it such an is that it uses multiple flagstone elements, but it also layers t...