Roomba i3 Reinforced Side Brush
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A reinforced Roomba side brush made with Teflon tubing and printed bristles for superior durability.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This brush is designed for the Roomba i3 ～ i8 and is made using the Bowden-style Teflon tube that many of you probably already have.
About 10–15 printed bristles are bent, threaded through the each tubes, and hooked onto the pin inside the "head" unit to hold them in place.
With this method, I was able to greatly increase the strength of the brush. Compared to other models where the bristles extend directly from the rotary, this design is far stronger.
※※It’s unfortunate that I don’t have an actual Roomba, so I can’t confirm the exact compatible models.
（tested it by attaching it to an electric drill instead,and it performed well.The Bowden tube fits tightly into the groove, which prevented the brush from coming loose.）
Please give it a try!
2025/9/26 Additional note:
・If you use a Teflon tube, bend it by hand to your preferred angle.
・If you use a printed tube, you may need to heat it with a lighter first before shaping it.
Print setting
Rafts: No
Supports: Yes（head only）
Resolution: 0.12mm
Infill: 100%
Filament: PLA