Why are layers from ArcGIS Pro drawing like this in Rhino?

Hi, I am trying to load a project from ArcGIS Pro to Rhino via Speckle. However, all of my layers are drawing like this…The example below is just one example of one layer. Any ideas? Where are all these lines coming from? I assumed it was from the z values, but I disabled those.


I think the extra lines you see in Rhino are due to the triangulation of the mesh object. You might be able to run commands like ReduceMesh in Rhino to clean it up a bit.

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In addition to what @teocomi said, you can run MergeAllCoPlanarFaces command to get clean surfaces. Then you can run DupBorder in case the border is not there already.

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