Create a solid between TIN surface

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Does someone know why there is a issue when i create the solid ?

Civil 3D 2020.4


Hi do you mean i must update this for civil 3d 2020?

it works just fine, you are not up to date, learn how to ask the right questions and PLEASE do not draw your conclusions because 99% of the time are wrong.

I am sorry about that. It’s ture it works when i am update my Civil 3d, i just haven’t thought about it.

Still thank you for your response and all you have done for the CivilToolkit, it’s a amazing und powerful Toolkit.