Dual Z Adjustable Bracket for Geeetech A10 / A10M / A20 / A20M + Short Firmware Instructions

Update 09.01.2020: I updated the lead screw nut hole to accept a wider range of lead-screw nuts, before the diameter was 22.0mm and now in V2 its 22.6mm. I also added some minor tweaks overall. (check out the gif on the bottom of the page)

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This is one of my upgrades after I installed the E3D Hemera Extruder/Hotend.
The slightly heavier Hotend needed a little more support on the rig