DIY EDM / ECM Micro-Machining Machine V10 — CoreXY + 3D-Printed Flexure, STL + STEP + Firmware

Complete design files for a DIY EDM/ECM micro-machining machine: 300 × 300 × 300 mm CoreXY + 3D-printed flexure micro stage on HDD voice coils. STL, STEP, FreeCAD, BOM, wiring, firmware and full simulation source. A low-cost machine for **electrochemical machining (ECM)** and **spark erosion (EDM)** that you build yourself. A belt-driven CoreXY moves the head over 300 × 300 × 300 mm; a **monolithic 3D-printed PETG flexure** driven by **three voice-coil motors salvaged from old hard drives** cor…

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