Plumbus
youmagine
This was a learning exercise to get a feel for Sculptris and Meshmixer - turns out there was no reason not to try them, as these tool are very easy to get into. Here's how i modeled and printed the Plumbus:
Download Model from youmagine
With this file you will be able to print Plumbus with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Plumbus.