45mm
thingiverse
Customized version of http://www.thingiverse.com/thing:400798 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=400798 Instructions Using the following options: lidh = 7 looseness = 5 idiam = 46 thickness = 2
Download Model from thingiverse
With this file you will be able to print 45mm 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 45mm.