Updates:
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Why?
Possibly due to injection molding, the original motor mounts can be slightly tilted (the base and wall are not in 90 degrees angle) and making the lead screw to tilt.
3D print your own mount to have a straight mount
Print Settings
Layer Height: 0.15
Perimeters/Wall loops: 5
Top & bottom layers: 5
Infill: 30%
Infill Patten: Cubic
Support: No support
The author marked this model as their own original creation.