Islamic Pattern Square Screen

Using the star pattern from my Islamic Design Clothes Hanger (http://www.thingiverse.com/thing:1239548) I made a square screen, or mini jali* with the idea that multiple units could be fitted together to make one large screen. I have always loved the stone screens "jali" as I have written about on my blog: http://museumofperipheralart.blogspot.com/2014/08/the-second-millennium-stone-age.html

I had a few problems printing this - not because of the design. A couple edges curled up and in the f