More to explore:
I made these stamps using the Stampin' Up! Undefined stamp carving kit! By Erin Cook with Artsy Acorn Designs
Along Came Stamping: Undefined Stamp Carving Kit - Native Art - Stampin' Up!
Excellent tutorial on making a Honeycomb Stamp This technique would work well for any geometric style
Bacon and Eggs - carve your own stamps! Undefined kit from Stampin' Up!
stampin up #undefined - carve your own stamps with the new undefined kit.
Made some crocheting stamps for a friend using Stampin' Up!'s Undefined stamp kit. Http://www.facebook.com/csi.with.Laura.Hill