Ender3 2021 AutoOff Switch Mount

A simple mount for the Ender 3.

Fits using the original screns on the Y tensioner to allow a Reed switch to be mounted and cut the power after a print has completed

Cura G-code to have the bed come forward after a print and cooldown

; Ender 3 Custom End G-code
G4 ; Wait
M220 S100 ; Reset Speed factor override percentage to default (100%)
M221 S100 ; Reset Extrude factor override percentage to default (100%)
G91 ; Set coordinates to relative
G1 F1800 E-3 ; Retract filament 3 mm to prevent oozing
G1 F3000 Z20 ; Move Z Axis up 20 mm to allow filament ooze freely
G90 ; Set coordinates to absolute
M109 R40; Wait for the hotend to cool to 40C
M104 S0 ; Turn off extruder
M106 S0 ; Turn off cooling fan
M140 S0 ; Turn off bed
M107 ; Turn off Fan
G1 X0 Y{machine_depth} F1000 ; Move Heat Bed to the front for easy print removal
M84 ; Disable stepper motors
; End of custom end GCode

Uses 20mm M3 Button Head screws
240v 20A NC/NO switch (part XV-154-1c25)
2 core Lamp