Getting mesh boundary curves

[JesusGarcia]

Hi everyone!!
Does anybody know how get the boundary curves of a dynamo mesh?
Ive try many ways but i cant solve the problem.

Thanks in advance!!

[RMohareb]

Hi @JesusGarcia
You can use Alpha Shape to get the boundary

Alpha Shape proplem (Draw outer line around the outside point Cloud at the same plane by ignoring any points that would fall inside.)

Draw outer line around the outside points by ignoring any points that would fall inside. I used Alpha Shape algorethem alphashape · PyPI by install alphashape in Python3 [image] [image] [image]  NwjwfcAuhGcpyVW.png) First select point cloud form revit project by using @Julien_Benoit1 Julien Benoit python script Second use point-cloud-plane-detection-using-ransac @Ewan_Opie to detect…