pegs
thingiverse
This 3D printed gear set can be customized with this design tool. Using the following settings, create your unique gears: Select the number of teeth on each gear (16-128). Change the ratio between the driven and driver gears (1:20 to 100:1).
Download Model from thingiverse
With this file you will be able to print pegs 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 pegs.