For both domes create an in place family by choosing component model in place and then choosing roofs in the family category dialog box.
How to make a dome roof in revit.
For the simple curved dome use the revolve and axis line tools.
New conceptual mass draw the section open and draw a line for the axis.
For glazed domes based on curtain walls only the second does.
First bring in a mass family from the library.
For the onion shaped dome start by using the model line tool to trace the shape from a photograph.
Autodesk revit out of the box has an array of different primitive shapes including dome.
In this video i show you how to model two types.
This video shows how to create two types of domes as in place roofs in revit.
Please like this video.
1 new family generic model from a front view create solid revolve draw the section select an axis finish load into project roof by face select faces finish roof.