Greeting,
I have created a tin surface in C3D and tried to insert it into Revit. I tried both import or insert CAD, neither of them works. I know one workaround is to create a thin 3d solid out of the surface. Hope you can give me other better solutions.
Here's the recommended workflow by Autodesk. Works for me.
Hi @qchenTPPXV
Thanks a lot for posting your question to the forums! Have the solutions suggested by @LyleHardin @barthbradley helped with your issue?
We look forward to hearing back from you with more information so we can help you as a community!

Jonathan Hand
Industry Community Manager | AEC (Architecture & Building)
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