APPEARANCE ALTERNATIVE ONLY. Shallow spherical annular dish around original raised30.8mm key. SphereR250, center(0,-44,260.9), bottomZ10.9. Local silicone thins to roughly0.44mm near opening; no functional/tooling release. Original main R8 skin remains0.8mm with R0.20 aperture edges. Requires new thin-edge coupon and skin clearance/strength study. This is not the smaller recessed inspiration button.
