Cupcake Gen3 Extruder Controller and Relay Board Mount
thingiverse
The Extruder Controller and Relay board can be mounted to a Cupcake CNC's side panel using 10mm M3 screws. This innovative mounting solution holds nuts captive but doesn't require them for board attachment, as the plastic holes provide sufficient tightness. However, if you prefer to use nuts, either opt for 12mm screws or modify the scad file parameters. Note that this design places RJ-45 connector leads on the EC board over a side panel mounting screw head; to prevent potential short circuits due to board flexing, place tape over these leads.
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