Ultimaker belt tensioner
thingiverse
After several hours of operating, the belts lost its tension and prints become unaccurate. There are several solution available to tension the belt, but this tensioner is very easy to print and install and does not have the risk of blocking mechanics. Instructions You can use a tensioner just on a single side. If the tension is to weak, load the .skp file into SketchUp V8 and expand the area marked X on the screen capture picture to your needs.
With this file you will be able to print Ultimaker belt tensioner 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 Ultimaker belt tensioner.