Ender 3/4040 Extrusion - Relay Case

A case for a common Arduino relay board that slides into a 4040 extrusion slot used to make most creality printers.

212

updated November 3, 2023

Description

Supports will likely be needed for the lid insert cutout

Strip the LIVE wire (USA is usually black)
Feed the power wire through the smaller of the two openings
Connect the wall plug end of the live wire into common and the printer side to either NC or NO
Slide the relay board into the case
Press the lid into the small slit for it

The author marked this model as their own original creation.