Revit Mass to Generic family

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so im trying to get a revit mass geometry in to revit and them use FamilyInstance.ByGometry to create a generic family (at least i tough it will be that easy). the reason to do this is the flexibility that gives the mass environment vs the in place environment

im getting a some weird results:

 

 

 

 

 

 

 

 

 

 

 

 

And when im importing some of my curve geometry i get other shapes like in the following example, image on the right was the selected mass

 

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On your first issue, try closing any additional windows in Revit (properties dialog, etc.) and deselecting everything.

On your second issue, this is a known limitation of nested families using revolved surfaces:

 

 

Thanks for the Help Dimitar! i hope the nested famlies issue get fix soon.