Menger coaster

A coaster based on a slice of a Level 3 Menger sponge. Switch filament colors partway through the print. Featured on Day 23 of MakerHome: http://makerhome.blogspot.com/2013/09/day-23-menger-coasters.html ===== #####Twitter: [twitter.com/mathgrrl](https://twitter.com/mathgrrl) #####Hacktastic blog: [www.mathgrrl.com/hacktastic](http://www.mathgrrl.com/hacktastic) #####Shapeways geekhaus store: [www.shapeways.com/shops/mathgrrl](https://www.shapeways.com/shops/mathgrrl) *This design and all associated pictures and files are licensed under the [Creative Commons Attribution Non-Commercial Share Alike](https://creativecommons.org/licenses/by-nc-sa/2.5/) license. If you want to use designs, images, or files outside of the terms of this license, please email .*