nm
thingiverse
The human creates a customized version of the website at http://www.thingiverse.com/thing:536486, designed with the Customizer tool found at http://www.thingiverse.com/apps/customizer/run?thing_id=536486. Using these options, the instructions become clearer. Second letter choice is M and first letter is N.
Download Model from thingiverse
With this file you will be able to print nm 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 nm.