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Slow Feeder Pro V1

The Slow Feeder Pro V1 is open source. The 3D-printable files, the assembly guide, and the full parts list are all free — if you have a 3D printer, you print the body yourself, and an optional kit supplies the electronic parts that are hard to make at home, matched to your grinder. Because slow feeding should be accessible to everyone.

The build guide includes the full parts list, the printable files, and the assembly video.

The body files are free on our MakerWorld profile:

Don’t want to source a dozen small parts and wire it up yourself? The kit puts the electronics in one box. Choose your grinder so the adapter fits, or pick kit-only if you’ve got that covered.

The V1 kit is for makers. If you’d rather skip the printing and assembly, the Slow Feeder Pro V2 comes fully built — with the anti-stall routine and metal feeder disc carried over from the Ultra.