GT2 idler pulley
thingiverse
The perfect fit for the CTC Prusa I3 Pro B is exactly what this fits. It has 20 teeth, making it ideal for this particular printer. To get the best results, use a special x-belt tensioner, available here: https://www.thingiverse.com/thing:2477413. This object was created using Tinkercad, an online platform where you can edit it yourself at https://www.tinkercad.com/things/179GEj0CXmA. Update: a new version has been uploaded, ensuring the belts stay in place; to print this successfully, supports are now required.
With this file you will be able to print GT2 idler pulley 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 GT2 idler pulley.