A
thingiverse
A customized version of http://www.thingiverse.com/thing:188275 was created using the Customizer! with these specifications: Ring Size Selector - 19.35mm, Knurl Depth - 1.5, Knurl Width - 3mm, Knurl Height - 2mm, Font - write/orbitron.dxf, Message - A, Knurl Smoothness - 50%, Bands - 2, Font Cut - 6, Ring Thickness - 9mm, Font Size - 9.5, Type - 4, and a Manual Ring Size of 18.35mm.
Download Model from thingiverse
With this file you will be able to print A 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 A.