Trefoil
grabcad
Inspired by Phillip Brewer Phillip's model was a bit too large for my work project so I decided to model my own and add the Solidworks file to Grabcad.
Download Model from grabcad
With this file you will be able to print Trefoil 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 Trefoil.