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Working on a project where it warps bottles using a lattice and curve. The original one I'm referencing (1st Image) is what I'm trying to recreate. As you can see when a subdivision is applied it smooths out very well.

However with the one that i'm working on (2nd Image) when I add the subdivision modifier it does not smooth out, instead it looks stretched and creates vertical lines.

First Image Second Image

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It looks to me in that tiny picture that your object is triangulated, and if so then you will definitely get artifacts when bending and stretching. If you can test your lattice and curve setup on a similar form made of entirely quadrilaterals, see if that doesn't fix the issue with the stretching.

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  • $\begingroup$ Is there any way to convert triangles to quadrilaterals? Sorry about the small pic. $\endgroup$ – Kevin Doan Jan 17 '17 at 21:16
  • $\begingroup$ You can use Alt-J to convert tris to quads in face select mode $\endgroup$ – Craig D Jones Jan 17 '17 at 21:19

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