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Huh? What is this?

This is a modified MMU2 pulley body which has holes cut in it for a cleaning brush as used in the Skelestruder design. Why have your springs and bolts go flying when you open it if you can have the gears clean themselves?

Changelog

Jul 24 2019: Fixed 3mm shaft to be a better fit, widened brush holes to fit brush hubs.
Jul 25 2019: No change, just re-uploaded because TV decided not to generate previews.

Jan 23, 2019: Updated description; I've since printed the item and use it myself so my statement about only having printed segments for testing was outdated. Removed WIP flag.

Required parts:

3mm shaft

19mm (3/4\") disc brush, e.g. https://widgetsupply.com/product/ban14.html

Assembly:

Insert brush in slots, put shaft through, enjoy. Maybe use some M3 screws or 3mm filament to keep the shaft in place if it's loose.

Notes:

If there are concerns about dust falling out onto your prints, cover the slots with some tape to contain it and just clean them out once in a while. :-)

Print instructions

Category: 3D Printer Parts Summary

Huh? What is this?

Changelog

Jul 24 2019: Fixed 3mm shaft to be a better fit, widened brush holes to fit brush hubs.
Jul 25 2019: No change, just re-uploaded because TV decided not to generate previews.

Jan 23, 2019: Updated description; I've since printed the item and use it myself so my statement about only having printed segments for testing was outdated. Removed WIP flag.

Required parts:

3mm shaft

19mm (3/4\") disc brush, e.g. https://widgetsupply.com/product/ban14.html

Assembly:

Insert brush in slots, put shaft through, enjoy. Maybe use some M3 screws or 3mm filament to keep the shaft in place if it's loose.

Notes:

If there are concerns about dust falling out onto your prints, cover the slots with some tape to contain it and just clean them out once in a while. :-)

Print Settings

Printer Brand: MK3

Printer: Prusa i3

Rafts: No

Resolution: 0.2

Infill: 20%

Notes:

Use the same settings as the original printed part from Prusa.

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MMU2 Pulley body with brush holes

Model files

mmu2-pulley-body.scad

mmu2-pulley-body.scad

mmu2-pulley-body-brush_v2.stl

mmu2-pulley-body-brush_v2.stl

Model origin

License