Dual Gear Direct Drive Extruder Spacer for the Ender 3
thingiverse
I found that many of the dual gear extruders for the Ender 3 sold on amazon don't fit with many of the direct drive upgrade kits as they expect the stock extruder. I made this spacer to fit the one I bought: the "3Dman Dual Gear Extruder". Please note that I also needed to buy 35mm m3 bolts to go along with it. Can't guarantee this will work with any others, but it might be close enough that you can modify it more easily. Printed just fine with default settings in Cura.
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