MK4 heatbreak fan duct
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Lightweight heatbreak fan duct which adds only 2.2g to the printhead and can be mounted without loosening any screw.
- Ocena
- 5 / 5
- Polubienia
- 76
- Pobrania
- 335
- Wydruki
- 20
- Wyświetlenia
- 1707
- Oceny
- 15
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Prusa Parts & Upgrades
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Following the discussion here,
the heatbreak fan might be causing issues due to airflow around the model.
Since the influence on the Input Shaper by adding weight to the x-axis is not clear, I decided to design it as lightweight as possible, ending up with a calculated weight of 2.21g PETG.
Wall thickness is 0.87mm, following the recommendation of PrusaSlicer for thin walls with 2 lines at 0.15mm layer height.
The design can simply be snaped onto the heatbreak fan, no need to touch any of the screws!
PrusaSlicer Settings:
Part is printed with front edge down, 3mm brim is used to increase the contact area with the printbed.
Plater
Supports: Everywhere
Brim: yes
Print Settings
Profile: 0.15mm QUALITY @MK4 0.4 with:
- Skirt and brim / Brim width: 3mm
- Support material / Generate support material: yes
- Support material / Syle: Grid
Filament Settings
Prusament PETG
Printer Settings
Original Prusa MK4 0.4 nozzle (no IS for max quality)
Setup:
Material: Prusament PETG
Printedbed: Textured powder-coated sheet
Remark: The satin powder-coated sheet may require different brim settings for best result - see JMAC's comment below.
May be you are also interested in my model for the exhaust side - https://www.printables.com/de/model/876968-mk4-heatbreak-exhaust-duct - guiding the airflow up: