Build your own CNC and learn every detail:
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Frame Design: MDF, aluminum extrusion, steel weldments—tradeoffs in cost vs. rigidity.
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Motion Systems: Leadscrews vs. belt drives vs. rack & pinion—precision vs. speed.
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Electronics & Wiring: Arduino/GRBL shield wiring, stepper driver selection, limit switch placement.
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Spindle & Tooling: DIY spindle mount, ER11 collet adapter, water‑cooled vs. trim router.
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Assembly & Tuning: Calibrating steps/mm, tuning acceleration, backlash compensation, test cuts.
A DIY build demystifies every subsystem and empowers you to customize freely.