Convert Topography to Massing using Code in Revit

I recently posted about converting Topography to massing forms using a somewhat “manual”, yet lofted and smooth, method:
Convert Revit Topography into Massing Forms

Harry provides some code to do a similar thing with triangulated flat faces over here:
Read the whole post with macro code

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Creating a Revit mass from Toposurface geometry https://t.co/pzaunaJlQU via @BoostYourBIM
— Ben Malone (@BenPMalone) January 13, 2014