Spool Cat Toy - Ball Track Cat Toy from an Empty Filament Spool (Bambu Lab, 3N3, Grilon3)

Turn an empty 1 kg filament spool into a cat toy. The spool is the body: the channel between the two flanges becomes a circular ball track, and a cover ring closes it from outside, leaving an open paw slot all around the bottom edge. Your cat can reach the balls from any side, and they cannot roll out: the slot always stays below the centre of the ball. **What you get** - **Cover ring with open paw slot** (about 17 mm high with 40 mm balls). It hangs from the top flange of the spool. - **Channe…

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