# 1:1 Sinusoidal Tube-Coping (Fishmouth Pipe Saddle) Template

Generate 1:1 printable wrap-around pipe coping templates and rotary-laser .DXF files for round tube fishmouth miter joints with a 100mm calibration scale bar.

## Engineering Geometry & Export Specification
- Solves the exact 3D cylinder-to-cylinder inner-wall weld intersection curve so fabricators wrap, trace, cut, and TIG-weld with zero gap.
- 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/tube-coping-fishmouth-pipe-miter-template.html