April 9, 2026
Description
Give your empty filament spools a second life with this simple and clever cat toy.
The concept:
Two clip-on discs attach to each side of the spool, trapping a ball inside. Once assembled, the ball spins freely within the structure, keeping your cat engaged and entertained for hours.
✔ Reuses standard filament spools
✔ Quick assembly, glue required
✔ Easy to print, no supports needed
✔ Open design so your cat can see and reach the ball
A fun and practical way to recycle your 3D printing waste while keeping your cat active.
License:
Standard Digital File License
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