Filigree Lamp Shade - Dual

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