Sling Shot
thingiverse
Slingshot for OTT, TTF and tubes. Use 1.75mm filament as the pin for the rubber band attachment. I have added the Fusion360 file for easy customization.
Download Model from thingiverse
With this file you will be able to print Sling Shot 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 Sling Shot.