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