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1515 Aero Rail Button Conformal 3.1 inch (79mm)

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3D model description

This is the aero version of the standard 1515 (for 8020 aluminum extrusion) rail button using the NACA0020 airfoil and is conformal to 3.1 inch (79mm) airframe tubing. After printing you can sand the conformal part to fit larger airframe tubing.

There are four versions you can download:
1) #8-32 machine screw
2) #10-32 machine screw
3) Rounded
4) Unrounded

The hole for the flat-headed screw is recessed.

3D printing settings


  • 3D file format: STL
  • Publication date: 2021/02/24 at 20:55





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