Parametric Extender for SUNLU V3 Filament Reels

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Give your empty filament spools a second life!

This parametric spool extender is designed for SUNLU V3 filament reels, allowing you to increase the spool width and transform it into a practical storage solution. Perfect for organizing cables, LED strips, wires, and more.

✨ Features

• Parametric design – Customize the extension length to match your needs
• Designed for SUNLU V3 spools
• Strong and printable design
• Multi-purpose use, ideal for:
  • Cable management
  • LED strips / fairy lights
  • Extension cords
  • Rope or small tubing
• Eco-friendly – Reuse your old spools instead of discarding them

⚙️ Customization

The model is fully parametric, so you can easily adjust the extension width depending on your storage needs—from compact to wide spools.