Slidable Cardboard Spool Filament Lock
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A self-adjusting Slidable Filament Lock moves along factory spool holes instead of using static clips.
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Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution
A revolutionary and highly practical solution to loose filament ends on cardboard spools. Unlike static clips, this Slidable Filament Lock features an innovative self-adjusting design that moves along the spool's factory holes.
As your filament goes from a brand-new, full spool down to the very last meters, the position of the outer layer changes. This smart helper slides into place to perfectly match the current fullness of the spool. It locks securely into opposite rim holes, creating a tight, custom-positioned anchor point every single time. No more bent filament, no more loose loops, and absolutely zero accidental unspooling during storage.
Why it's the ultimate everyday print helper:.
Fully Slidable & Dynamic: Adjusts precisely to the radius of your remaining filament.
Never Gets Lost: Stays firmly snapped into the cardboard spool holes until you choose to remove it.
Cardboard-Safe: Doesn't clip onto or damage the soft outer paper rim.
Universal Compatibility: Designed to fit most standard cardboard spools with opposite securing holes (eSUN, Polymaker, etc.).
Print & Forget: A tiny, lightweight print that saves hundreds of crowns in ruined, tangled filament.