finger splint
thingiverse
This cast was designed specifically for my mom, and I'm confident it will serve someone else well too. Included is a SolidWorks file that makes it easy to customize it further.
Download Model from thingiverse
With this file you will be able to print finger splint 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 finger splint.