My daughter designed this necklace using a Sharpie on an index card. A quick tutorial on going from Sharpie to 3D print in 30 minutes is available at http://designmaketeach.com/2013/05/12/sharpie-to-3d-print-in-30-minutes/ Prints better at 150%. Available for sale at http://www.shapeways.com/shops/designmaketeach Demonstrating to marketing and economics classes a working digital storefront. Used thin black ribbon to make the necklace.