Missing Geometry

Hi Guys,

First post here.

I started using Twinmotion yesterday and have followed tutorials on the workflow between Revit & Twinmotion.

I have a problem in that some of the Geometry isn’t coming across from Revit. Has anyone had this issue, is there something I am doing incorrectly?

FYI I am using the Revit add-in which includes ‘see in Twinmotion’ to get the project across to Twinmotion.