# NEMA23 8mm Shaft 5:1 Planetary Reducer .STL & .DXF Studio

Build a 3D-printable or CNC-machined 5:1 NEMA23 planetary speed reducer (Zs=18, Zp=27, Zr=72, Np=3) with instant binary .STL & R12 .DXF output.

## Engineering Geometry & Export Specification
- Delivers an exact 5.000:1 carrier reduction (1 + 72/18) fitting inside a compact NEMA23 outer ring housing.
- CAD Outputs: 0.005mm AutoCAD R12 `.DXF`, `.SVG`, Watertight 3D Binary `.STL` (4–40mm face + hub boss + bore), and `1:1` Printable `.PDF`.
- Pricing: Free Spec Proof PDF ($0) · Single CAD Pack ($11.90) · Mechanical Engineer Pro ($19.00/mo).
- Live Interactive Workbench: https://gearcadpro.com/templates/nema23-planetary-reducer-stl-generator.html