I have a file captured from Bentley software already converted to .shp format. I would like to have polygon or polyline to be able to simply edit it but I don't know how to convert Multipatch to polyline/polygon without loosing Z-values. I tried Multipatch Footprint but as the result I have 2D layer. As well I tried to generate points using Feature Vertices to Points and it works, but my goal is to create TIN model and here I don't want to include all points (some of them are below desired surface).

Which other tool could help me?

I have a file captured from Bentley software already converted to .shp format. I would like to have polygon or polyline to be able to simply edit it but I don't know how to convert Multipatch to polyline/polygon without loosing Z-values. I tried Multipatch Footprint but as the result I have 2D layer. As well I tried to generate points using Feature Vertices to Points and it works, but my goal is to create TIN model and here I don't want to include all points (some of them are below desired surface).

Does ArcGIS Pro have another tool which could help me?