knuckles
cults3d
You can adjust the print size in your software by scaling it up or down, and a good starting point would be to set it to 130% of its original size, which should give you a clear and readable output.
Download Model from cults3d
With this file you will be able to print knuckles 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 knuckles.