89mm Compliant Wheel Mold
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A full-size 89mm compliant wheel mold for FRC and FTC intake and transfer mechanisms, built to hold up through a season
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This mold pours an 89mm compliant wheel sized for FRC and FTC intake and transfer mechanisms. A flush-top cavity and a built-in overflow dam mean you don't need a vacuum chamber or a pressure pot to get a clean pour. Level the top with a razor blade after it cures and you're done. The hub insert carries anchor holes that key the silicone to your hub, so the rubber section stays put through a full season of feeding game pieces.
Run a firmer silicone, around Shore 30A, for the balance of grip and durability an FRC or FTC intake wheel needs match after match.
Files included: the premade 3MF file, ready to print. Want to edit the design yourself? The STEP file is available on my shop.
Specs:
Finished wheel diameter: 89mm
Print material: PLA for the mold, PETG or PCTG for the hub insert
Recommended silicone: Shore 30A for max grip
Fasteners: M3 machine screws (20mm) and M3 square nuts (low profile)
Full pour and demold process: How to Pour Your Own Silicone Wheels