This stepper motor cover is designed the Anycubic i3 Mega's Y-axis to prevent dust and debris from getting to the motor.
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updated July 3, 2020

Description

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This is an updated version with more clearance on the front to clear the belt mount.

If you want to protect your Y-axis stepper motor pulley/belt gear, then this is the thing for you!
For normal use, it is not necessary to cover the Y-axis pulley, but if you're converting your 3D printer into a CNC machine (like I'm doing), then this is a rather useful part.

For me, this part still allows the printbed to home itself, but it is very close to blocking the limit switch. If anybody is experiencing a problem with the printbed not being able to go back all the way, let me know! Then I can design and upload a second version with more clearance.

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Print Settings

Printer Brand: Prusa

Printer: I3 MK3S

Rafts: No

Supports: Doesn't Matter

Resolution: 0.2mm

Infill: 100%

Filament: ColorFabb PLA/PHA Ultra Marine Blue
Notes:

I printed this part without any support. However, if your printer isn't capable of printing clean bridges, then you could use support.

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