How to replace missing parts with 3D modeling and 3D printing

[@coder-steph]

What is the insert size?

[@LynPaine]

How did you measure the same sizes?

[@DoItProjects]

Separate tutorial video linked in the description about all that. You can also get the file for free from our Thingiverse.com account (also linked in the description)
ua-cam.com/video/GQH0it5INNk/v-deo.html

[@brianferrenz7788]

Where did you get the screw and insert?

[@DoItProjects]

Menards. Pretty much any hardware store would have it. No screw necessary. Just the insert. I used the original knob to find the screw size and thread (I think it was M3).