Heatsink Bumper
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A bumper to avoid rubbing the PFTE filament tube on a 40x40x20 stepper motor heatsink.
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Public Domain
I decided to add 40x40x20mm heatsinks to the tops of the X and Y stepper motors to help with heat dissipation. Maybe not necessary, but can't hurt. I realized that the PFTE filament tube on the right side was going to rub against the fins of the heatsink for the Y stepper so I created this simple bumper to let the tub slide back and forth. Printed out of PETG and just slips in place. If you add this to your Core One, make sure the heatsinks are placed with the fins oriented like mine. You should also check that the tube glides smoothly without catching on the bumper by manually moving the Nextruder left to right and front to back across the entire print surface. You might need to bias the bumper to the right so the tube won't slip in past the right side.
The heatsink is 40mm x 40mm x 20mm and here's the one I used: https://a.co/d/8J4NCQ4