Editing Step 28 —

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Now that we have a few extra wires running into the electronics enclosure it will be a bit more difficult to close the lid.

Carefully bundle the wires together ensuring there is adequate slack for strain relief. Velcro wraps or twist ties work well to tie them together. Flatten out the bundle and push it into the cutout in the frame, and carefully close the lid.

We now have an upgraded Ender 3 Pro with quieter fans, better layer height options, better lighting, power loss recovery homing option, and access to mesh bed leveling.

Possible future upgrades include conversion to direct drive, or swapping the ungeared extruder and 1.8 degree motor for a geared one or at least a 0.9 degree motor. And now that the fans are quiet, the intermittent power supply fan is by far the loudest component.

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