Tube Stencils
2" Fishmouth Saddle Wrap Stencil (2" onto 2", 75°)
Printable wrap stencil for a true fishmouth (saddle) cope: 2in OD branch tube joining a 2in OD main tube at 75 degrees, centerlines intersecting. Unwrapped cut curve computed from the true cylinder-intersection geometry: wrap width 6.283in (pi x 2in circumference), max cut depth 1.303in, seam ticks every 45 degrees with the 0-degree seam marked, and a 1in scale-check box. True 1:1 scale at 96 DPI - print at 100%, wrap, trace the red curve, cut. Pure tube geometry - no vehicle fit involved. Works with any wall thickness (fits on OD). Test-fit on scrap first.
Metric: Branch OD 50.8 mm · Main OD 50.8 mm · Wrap width 159.6 mm
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