F
thingiverse
The customized version of this design can be found at http://www.thingiverse.com/apps/customizer/run?thing_id=53940, where you can choose from various options such as alternate typeface and letters 'F' for the left, top and right sides to personalize your creation!
Download Model from thingiverse
With this file you will be able to print F 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 F.