I didn't like all the other switch extenders that required a screw to always be loose as I found that the screw eventually backs out. So I made one that uses parallels and snaps to turn on the switch while leaving the screws tight. Things to note: on and off are reversed, and the main body can be flipped for mounting on either side of the switch. This will only work on end switches (not on a switch with another switch on each side) Just orient the main body the way you want it to know which side you want the push/pull arm on. The snaps are a little tight but loosen up over time. If there is any demand for this I will upload all the pieces separately so they can be tweaked/ remixed. Follow the print settings. These are pretty precise.

Creality

Ender-3 v2

Yes

Yes

.12

30%

Resolution and infill are important! I also would print at 50mm/s maximum with an initial layer height of .2mm and 10-15mm/s. Bed adhesion is important for part accuracy. Recommend raft or brim and/or glue stick.