Steam Controller shoulder button replacement
thingiverse
Seems to work fine, tested for all of 2 gaming session, so use at your own risk.
Download Model from thingiverse
With this file you will be able to print Steam Controller shoulder button replacement 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 Steam Controller shoulder button replacement.