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Ender 3 Pro Oldham Coupler — image 1
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Ender 3 Pro Oldham Coupler

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I liked the original design with dovetails to keep the whole assembly together, so I edited it for my Ender 3 Pro.

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Model information

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Two base pieces and one middle piece are needed for a single lead screw. An additional two M3 screws are required to hold one of the ends on the X-gantry bracket and the other with the lead screw nut.

Some slight sanding and silicone grease were required to ensure it slid smoothly in the X and Y directions but was tight enough to not have much slop in the Z direction. I printed it with Inland PLA+, but PETG might be better due to its slippery finish.