OTTO-5 TPU/Flex track and belt
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TPU/Flex track and belt as an alternative for the current o-ring design.
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- Printables
- Kategoria
- RC & Robotics
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
OTTO-5 TPU / Flexible Track and belt
I received a request for an alternative to the o-ring design, so here’s a TPU/flexible track and belt designed for the OTTO-5. This track is compatible with the standard OTTO-5 wheels and mounting hardware, and it uses the same parts as the original o-rings.
I would have updated the current design, but that doesn’t seem possible. Likely because it’s part of a closed contest. The OTTO-5 design will be updated as soon as possible.
Since I don’t have the capability to print TPU/Flex materials myself, this design has not been tested. Minor adjustments may be required depending on your printer and the specific TPU or flexible filament you use.
The track is designed with approximately 3.8% elongation to ensure it stays in place. However, because it hasn’t been tested and I have limited experience with flexible 3D printing materials, I cannot guarantee that this is optimal. Please feel free to comment if the track should be tighter or looser for best performance.
Recommended print settings (general guideline for TPU/flex):
Nozzle temperature: 210–230 °C
Bed temperature: 50–60 °C
Print speed: 20–30 mm/s
Layer height: 0.2 mm
Infill: 20–30% (gyroid)
Installation tip: Stretch the track slightly during installation to fit snugly on the wheels.
Link to the OTTO-5 model: