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Joel Cooper’s Pentagons and Negative Stars

June 1st, 2006

Pentagons and Negative Stars

PDF icon Download Crease Pattern PDF (All Rights Reserved, Joel Cooper, 2006)

Joel Cooper created this wonderful pattern of pentagons and “negative space” stars a while back, and posted a crease pattern on his Flickr page. I took the liberty of recreating it as a PDF, for easier printing. I am posting it here with his permission. He had this to say about the CP:

“The only thing that could be changed, if you want it absolutely perfect, is the little narrow trapezoids between the pentagons around the outside (CP error see image). When I drew the CP, I couldn’t figure out the landmarks for the mountain folds (solid-lines) on those things, so I just guessed where they should be. They should all be the same size, and I can see now that the mountain -fold should move out a little, so that they’re all about 3 mm. This is very minor, and really doesn’t even affect the folding process anyway. “

Joel’s original CP is here:

pentagons and negative stars - CP

Folding pentagonal shapes is really kind of tricky, but it’s worth it in the end- especially if you’re looking to explore some alternate geometries. Go ahead and give it a try!

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