TinkerScratch
thingiverse
Can't reach that itch? Introducing The TinkerScratch - a back scratcher featuring Tinker Toy rod compatibility. For use, simply print out the design, adjust the claw nails for comfort, and insert a 3/8" diameter dowel rod from your Tinker Toy stash into the socket. Scratch away!
Download Model from thingiverse
With this file you will be able to print TinkerScratch 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 TinkerScratch.