iPad Mini Abacus Case
by Gromfrog, published
Need a calculator for your iPad Mini? Well go old school with our abacus case for the iPad Mini.
More info at: http://gromfrog.com/?p=1647
Print with raft and support for best results and choose your own infill. If you print the blank case and then the plugs you will need 100 complete plugs (made of two parts) 10 for each rail.