Yet another one of these things
thingiverse
The Wire Spool, a Three-Part Snap Fit Design. Print Settings Printer Brand: RepRap - A Replicating 3D Printer. Model: Prusa I3 - The Most Popular DIY 3D Printer Kit. Support Options: Rafts: None Required Supports: Not Needed Resolution: Unlimited by Default Infill Percentage: Customizable to Suit Your Needs
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