Trimmer Head Bump Knob
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Replacement bump knob for a generic Chinese brush cutter. Designed for FDM 3D printing, optimized for PETG, and prints w
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Replacement Bump Knob for Chinese Brush Cutter
This is a replacement bump knob designed for a generic Chinese brush cutter / string trimmer head.
The model was created from the original part and tested on my own brush cutter. It is optimized for FDM 3D printing and prints without supports.
Recommended Print Settings
Material: PETG
Layer Height: 0.20 mm
Walls: 3
Infill: 60% (Gyroid recommended)
Supports: Not required
Compatibility
This model is intended for a generic Chinese brush cutter head. Since many trimmer heads use different dimensions, please compare all critical measurements with your original part before printing.
Included Files
STL
3MF
Notes
Designed for FDM 3D printers.
Tested on a Bambu Lab A1 Mini.
PETG is recommended for improved durability and outdoor use.
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