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How do I add supporting edge loops for the purposes of subdiv on this shape? enter image description here

In most places it was fairly easy to add supporting edges of a consistent width (0.002 units). The only place I am really struggling is here, where that large n-gon gets pinched to a sliver where it intersects the cylinder.

Is this problem better solved with more or fewer segments on the cylinder?

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3 Answers 3

Reset to default
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  • Delete big n-gon face
  • Select cylinder loop with Shift+Alt (it will select just needed half)
  • Extrude and Scale a bit
  • on side add loop with Ctrl+R and slide (for each of three)
  • Merge vertices on edge

enter image description here

enter image description here (from other side just Merge one vertex)

enter image description here

Probably would be better to merge the smallest triangle face, if possible ... But seems to be serving well as it is.

Note: As you can see there is one vertex in curvature that didnt moved ... I can't figure out why and how it can be locked on X axis :) Hm

You can also select big ngon face and use Inset (I) technique, but you would have to clean up a mess in corners anyway :) With Inset I didnt get the single vertex issue, way more strange ... Hm

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This topology seems to work fine:

enter image description here

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There are several options here: you could fix up the geometry (maybe try the grid fill tool) to achieve proper edge flow, or inset the big n-gon, or even crease it.

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