• BCsven
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      13 hours ago

      At the deepest part where it surrounds stem tightly there will be an instant tangent which then immediately becomes non tangent. A G0 and G1 condition and not G2

      • Jerkface (any/all)
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        8 hours ago

        The surface does not become a perfect cylindrical section in nature, nor is the stem itself cylindrical.

        • BCsven
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          6 hours ago

          Doesn’t matter, the point where stem and dimple are deepest and encapsulated would have same vector direction initially. Topology doesn’t need to be cylindrical to have vectors