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Loving Unfold3D but tired of the curvy shells you end up with? Can't always get Contour Stretch to do your bidding? Maybe Straighten UV gives you weird results from your curvy shells?
Here is a nifty little tool that would take an edgeloop, straighten it out like a string and make the rest of the UV shell follow along.
Quickly optimize shell shapes for Layout.
(For example of functionality, see 2nd picture maximized, it's a GIF)
Select either edgeloops or UVs (for border edges) on an edgeloop of shells You can select multiple shellsChoose Align, Straighten or both Select straighten method (Unfold is by far fastest, Strict can overwhelm the machine!)
OR for Align only:
Select an edge, edgeloop or 2 UV points on each shell.