Compact Ball Mill – DIY Grinder for Fine Materials
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Compact Ball Mill used for grinding materials to make them extremely fine
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DIY Desktop Ball Mill – Compact, Modular Design (NEMA 17 Driven)
This is a compact, desktop-sized DIY ball mill designed for grinding powders and fine materials.
The design is optimized for easy 3D printing, modular assembly, and reliable operation using a NEMA 17 stepper motor.
The ball mill is suitable for maker projects, material experiments, and small-scale grinding applications.
Its modular construction allows easy customization, maintenance, and future upgrades.
🔧 Features
Compact footprint
Designed for NEMA 17 stepper motor
Modular and easy-to-assemble design
Uses widely available supplement containers as the milling body (ESN Supplement Containers recommended, but many seem to have the same size)
Optimized for standard FDM 3D printing
Suitable for grinding powders and small material batches
📦 Materials
Required hardware:
1× NEMA 17 stepper motor
1× Motor driver (e.g. A4988, DRV8825 or similar)
1× Power supply (according to motor and driver specifications)
1x Supplement containers as the milling body (ESN Supplement Containers recommended, but many seem to have the same size)
2x 608 Ball bearings
4x M3 Screws for Nema 17
Grinding media (steel balls, ceramic balls, or marble work as well)
Optional:
Rubber feet or vibration dampers