Direct drive extruder stepper-mount for UMO

When replacing the extruder drive on the Ultimaker Original (UMO) I needed a new way to mount the stepper to the frame. Then i came up with this.

3D printer parts and enhancements

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Print with support, 75-100% infill.

The "Motor Mount 2" is made for Countersunk screws.

"Motor mount 2-2" is made for standard M3 screws (non-countersunk) - The base for the motor has been made a bit thicker to hold up when tightening stuff together.

Designed in Autodesk Fusion 360.

Item on pictures is the first revision, so some small cosmetic changes has been made since.

Shown with the MK9 Bowden extruder by Martin-RepRapMe:

Comments and tips for improvement is welcome!

Materials and methods

4 pcs. 3x35 Machine screws



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B1bdd12eb13152b4c559fb9c929bf259?default=blank&size=40fcristy28 added this to the Ultimaker UMO collection ago
A326efad8c7f78cd62a6f9288bc13059?default=blank&size=40coastroad added this to the UMO collection ago
220498aee9e7423731d005e0416c8ddd?default=blank&size=40VGer01 added this to the Ultimake upgrades collection ago
Mini zm1210 operating edit2Zapro published this design ago