3DChameleon Switch Mount for Ender 3 v3 KE
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The switch mounts on the X axis (mine aligns at X=221) using the cover for the belt tensioner.
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- Printables
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- Creality Parts & Upgrades
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- Creative Commons — Attribution
I couldn't find a switch mount that I liked the position of. I looked at y-axis and z-axis mounts I've seen and none of them seemed to be what I wanted. I created a mount to replace the cap on the end of the x-axis (where the belt tension screw is). You can mount the switch on with 3M foam tape or with M3x6 screws. The nuts are press-fit into place.
I printed this with supports to ensure the small tabs on the inside (used to align the cap to the aluminum rail) are accurate when printing. This part does not have to be extremely strong so I kept the following specs:
Printing Specs
- Filament: PLA (Sunlu)
- Layer Height: 0.2mm
- Walls: 3 (my default…you could probably use 2 and be ok)
- Infill: 20% gyroid
- Supports: organic/tree - I allowed supports on the model otherwise a couple of the tabs won't be supported
INSTALLATION:
- Unscrew the belt tensioner screw of the x-axis all the way and remove the original cap -KEEP THE SCREW.
- press fit two M3 nuts into the model (optional…you could use 3M foam tape if you prefer)
- Trim the excess length of the leads off the back of the switch PCB (don't dig into the solder…this lets the PCB sit more flush on the bracket)
- Use two M3x6 screws to screw the PCB to the bracket with the switch facing the hotend
- Using the screw from the belt tensioner, install this cap and tension your belt appropriately.
- Run your wires for the switch to the 3DChameleon controller
- Complete your 3DChameleon install per Bill's instructions.
- Use all of your filament in the first week as you print everything with multiple filaments and colors! (I am not responsible for the increased filament expense caused by you printing so much more stuff)