Penrose quilting?

Like I needed a new obsession.

On Friday afternoon, Jacob introduced me to Penrose tilings, which were entirely new to me. I was completely fascinated, running off in a multitude of directions to learn about things like 'aperiodic tilings' and tile patterns in Islamic architecture, and by Saturday I was hooked.

Ever seen a Penrose tiling before?  Take a look at the image over to your right. It's gorgeous and fascinating and strangely hypnotic. I discovered that while a few people had made small-scale quilts of Penrose tilings, no one appeared to have attempted a full quilt made only from the tiling.

I decided to render out one for myself and discovered it was a bit harder than I expected. Wikipedia had one, but it wasn't big enough for my needs, so I dug around and got lucky. J C Lawrence's page contained instructions on how to tell Inkscape to render a Penrose tiling:

Axiom:
  [N]++[N]++[N]++[N]++[N]
Rules:
  M=OA++pA–-NA[-OA–-MA]++;
  N=+OA—PA[–MA—NA]+;
  O=-MA++NA[+++OA++PA]-;
  P=—OA++++MA[+PA++++NA]—NA;
  A=
 Angle:36

It took my computer quite a few minutes of chewing before it was able to render out a 7-iteration version of the tiling, which was big enough to fill a 100" square grid with tiles of a size that would be manageable in fabric.

I want to do this design in a quilt. I don't know the colors yet, but I could see how this design could become an obsession. In pure fabric-cutting terms, it's simplicity itself: nothing more than two very simple, straight-edged shapes. The beauty is in the arrangement, and the five-fold symmetry, which is both aesthetically pleasing and a little unsettling.

I like the idea of making it easier for other people to make designs based off of this tiling, so here you go:

• penrose.ai
• penrose.pdf
  
• penrose.svg
  

Those are my seven-iteration Penrose tilings that I'll be working from to design my quilt.  They're freely given. They're in a 100" square, so you could design up to a king-sized quilt using them. If they're useful to you, or inspire you in some way, I'd love to see how. There's no reason there shouldn't be more Penrose quilts out in the world.

Here's what the graph looks like:

['Empty graph']

Also, for an extra bonus, here's an update on what Crayon Box looks like when the pieces are trimmed up:

['More orderly!']

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