http://portabee3dprinter.com/shop/portabee-3d-printer-complete-kit-uassembled/
If someone comes out with a shoe designer program for tweens and teens to design their own shoes, watch out...
Yeah! Print "Jellies" 80s plastic shoes. My girls went through a carload of them. They were priced like flip flops. Now they are retro chic and $60 a pair.