38mm
thingiverse
Customized version of http://www.thingiverse.com/thing:1405931 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1405931 Instructions Using the following settings: Flap Width: 1.5 inches Tension Width: 0.5 inches Bearing Diameter: 7 inches Gripper Length: 0 inches Spool Hole Size: 38 inches Bearing Outer Dimension: 22 inches Spool Width: 40 inches Gripper Width: 3 inches Front Thickness: 2 inches Inner Bearing Diameter: 8 inches
Download Model from thingiverse
With this file you will be able to print 38mm 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 38mm.