FlowAlongSrf changing curve's length

Rhino Rhino for Mac
1

(no answer on my topic I guess the solution is or too obvious or has been treated many times already)

PLEASE DELETE THIS TOPIC - (I can’t find a delete button)

Hello,

I’ve a closed curve (black layer) on a flat unrolled surface. I’d like to flow that curve along a bent surface of the same dimension. I use the command FlowAlongSrf but the curve shrink (see blue layer). I tried with ApplyCrv too and I’ve also a big distortion which does not match the dimension of the surface. What am I doing wrong? Thanks!

4forum.3dm (201.5 KB)

2

if you _Rebuild the curved surface, it will work better.

i tried it with these settings and the curve flowed much better afterwards.

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Thanks Jeff