September 12, 2025
Description
A funcional doorknob to substitute a old/broken one.
This doen't use a internal spring to return to its intial position, and uses the door lock's spring to return to its position.
Printing and assembly Guide
This doorknob is composted with 2 components, a internal component (PETG) and a external one.
During the printing of the external one, there is a pause at the layer nº225 to insert a M4 nut in the internal hole.
After printing both components
First insert the internal one inside of the metal part of the old doorknob as you see in the next picture
After you insert the internal component inside of the external one and use a M4x16 countersunk screw, make sure that you completely insert.
To finish is just to put back on the door.
BOM
M4 nut
M4x16 countersunk screw
License:
Standard Digital File License