Inspired by this article (http://www.3ders.org/articles/20141213-ancient-mathematical-technique-applied-to-3d-printed-stereographic-lampshade.html) on 3Ders.org and Jason Cole's work
Made specifically for dual extruder printers (sorry single extruder guys)
Filigree shapes gratefully used from:
http://www.craftsmanspace.com/free-patterns/collection-of-typographic-ornamental-vignettes.html
http://www.craftsmanspace.com/free-patterns/scroll-saw-pattern.html
Instructions.x3g file slice settings:0.3 mm
100% infill
Right: Black at 220C
Left: Clear at 200C
80/130 mm/sec speeds