# 4130 Roll-Cage & Chassis Tube-Coping 1:1 Printable Template

Print 1:1 actual-size paper wrap templates for 1.75-inch (44.45mm) x 0.095-inch wall DOM and 4130 chromoly roll-cage miter joints.

## Engineering Geometry & Export Specification
- Computes exact equal-diameter Ø44.45mm on Ø44.45mm acute 38° roll-cage saddle profiles using inner-wall weld geometry.
- 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/roll-cage-chromoly-tube-notcher-template.html