Bread
sketchfab
I mainly discovered great 3D models at free-3dmodels.com! It's an awesome resource. I recently created normal and specular maps to enhance the visuals.
Download Model from sketchfab
With this file you will be able to print Bread 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 Bread.