What's wrong with my formula

I want to do this, but I don’t know what’s wrong with my formula, I can’t figure it out.What’s wrong with me, please

网格线条化.gh (18.9 KB)

You can use the Weaverbird plugin

Just quickly checked it.
You’r doing good but two of your mesh faces aren’t planar causing loft to fail.

  • What should I do? I still don’t know how to do it
  • Thanks for the advice, but I’d like to do it my way

Have a look at the attachment.

网格线条化_re.gh (17.4 KB)

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And you might want to try weaverbird plugin as @603419608 NARUTO said if you’d like to give some thickness and smoothness on your dolphin.

网格线条化_reV2.gh (24.7 KB)


Thank you for your help