Grinder
thingiverse
A grenade-shaped printed grinder is support-free, relying on clever geometry for seeds, herbs, and spices. Watch the assembly video (http://youtu.be/812oWE_U3TY). Recent updates include a conical top for better grinding and an optional handle clip. Printing tips include cooling between layers to avoid issues with loops. The video showcases assembly, and usage involves pouring in the medium, turning the handle for grinding, and then adjusting the spout for easy pouring. Remember to bed in the teeth initially, clean thoroughly, and heed safety disclaimers like flammability.
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