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I added a shrinkwrap modifier to a path to wrap it around three joined cylinders. How can I make the path follow closer the outer surface? (cf. screenshot) enter image description here

Thanks.

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  • $\begingroup$ Do you need to keep the modifier, or just apply it after? $\endgroup$
    – lemon
    Aug 8, 2019 at 11:32
  • $\begingroup$ I can apply it, I want to use the wrapped path for an array of objects placed along it. $\endgroup$
    – Wilbur
    Aug 8, 2019 at 11:35
  • $\begingroup$ This solution might help blender.stackexchange.com/questions/118352/… $\endgroup$
    – Ed Tate
    Oct 17, 2019 at 0:48

1 Answer 1

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What you can do is temporary extruding the path vertices (as it is a mesh if I see well), then apply the shrinkwrap modifier and delete the previously created vertices.

Make so just add surfaces so that the modifier can do a projection (mode 'project/on surface' and 'back'):

enter image description here

Projection wll be done along the normals, so I think here you need to extrude along Z. If not the path won't stay horizontal.


Edit (if that matters...): I previously misunderstood the question, thinking you wanted to tangent the path around the cylinders. This is not the case, but, eventually, this approach can interest someone:

Transform the cylinders into a convex hull:

enter image description here

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  • $\begingroup$ Thanks, the problem is that my path is generated from a vertex point to which I added and applied a screw modifier, so it's a helix going round the three cylinders. I tried your method with extrusion, but the projection option in the modifier does not give the result I want. I does actually nothing. $\endgroup$
    – Wilbur
    Aug 8, 2019 at 12:04
  • $\begingroup$ @Wilbur, helix should work too. Have you tried? Just care about extruding along Z. If that is not working, can you upload your blend file? $\endgroup$
    – lemon
    Aug 8, 2019 at 12:07
  • $\begingroup$ @Wilbur possibly also, depending on the orientation of the extrusion, switch the projection parameters in the modifier (front/back and negative/positive) $\endgroup$
    – lemon
    Aug 8, 2019 at 12:13
  • $\begingroup$ I tried several parameters, but I does not work for me. $\endgroup$
    – Wilbur
    Aug 8, 2019 at 12:18

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