Lite Version – Core One RMU Mount
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Lightweight, material-optimized Lite RMU filament buffer mount designed for the Prusa Core One.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Lite Version – Core One RMU Mount
This is a lightweight, material-optimized Lite version of my custom RMU filament buffer mount designed specifically for the Prusa Core One.
It provides a fully functional mounting solution while reducing print time and material use—ideal for testing fit and setup before committing to a full build.
✅ What This Version Does
✔ Fully supports the RMU buffer on the Core One
✔ Clean filament routing in a real-world setup
✔ Fast, efficient print with reduced material
✔ Designed for easy test-fit and evaluation
This version includes a cross brace for added stiffness, improving stability while maintaining a lightweight structure.
⚠ Important – This is the Lite Version
This model is intentionally simplified to:
- Reduce print time
- Minimize material usage
- Provide a functional test-fit solution
It is not as rigid or refined as the full version.
🔄 Lite vs Full Version
Lite version:
✔ Functional and reliable
✔ Faster print
✔ Lower material use
✔ Ideal for testing and evaluation
Full version:
✔ Increased rigidity and reinforcement
✔ More refined installation and fit
✔ Designed for long-term, heavy use
✔ Cleaner, more engineered overall design
💡 Upgrade to Full Version
If the Lite version works for your setup and you want a stronger, cleaner, long-term solution, the reinforced version is available here:
🔵 FULL REINFORCED VERSION
👉 Etsy:
https://www.etsy.com/listing/4472143229/prusa-core-one-rmu-buffer-mount-bracket
👉 eBay:
https://www.ebay.com/itm/277806132541
🧠 Design Notes
This mount was developed because there were no dedicated RMU mounting solutions for the Core One platform that met the level of fit, strength, and usability I was looking for.
The Lite version keeps the core functionality while demonstrating the mounting concept in a more efficient form.
🖨 Print Recommendations
Material: PLA or PETG
Layer height: 0.20 mm
Infill: 15–25%
Supports: Not required
Orientation: As shown in images
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🔗 Check out the full version