Zen 7x7 CNC Mini Mill

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The Zen 7x7 CNC Mini Mill is a Zen Toolworks 7×7 F8 CNC Milling Machine, which is a small CNC machine used for milling, engraving, carving, inlay work, pcb manufacturing, 3D printing, and much more. It is located at the Electronics Bench.

Specifications (for the base Zen machine)

  • Lead Screws: Stainless-steel precision Acme-thread leadscrews with anti-backlash nuts (for X, Y & Z); F8 (8mm for each rotation).
  • Cutting Capacity: 7” x 7” x 5”
  • Clearance Under Z-Axis: approximately 1.5”
  • Stepper Motors: NEMA 17 stepper motors with dual shaft. (easily add hand wheels for manual operation, not included)
  • Frame: PVC frame with stainless steel components.
  • Max Recommended Feed Rate with F8 Lead Screws: 1200 mm/min
  • Resolution: 0.001 – 0.002 inches
  • Footprint: 20” x 17” x 17” (X,Y,Z)
  • Limit and E-Stop Switch Set (optional)


Rumor has it that the Mill controller is an Arduino that runs grbl software. The controlling computer typically ran Chili Peppr software.

Experts and References


  • This position is currently open.

External References