A good friend was wondering if it was easy to make 3D details in VectorWorks.…
How To Get Rid Of The 2D Stuff in 3D Views
Often you want to have a view of your model, so you change to a 3D view. It looks OK, but then you notice all the 2D stuff. Wouldn’t it be nice to get rid of the 2D stuff? You could have it on a class and turn the class off.

There is a quick way to get rid of the 2D stuff. From the Menu Bar choose:
View > Stack Layers
This is the same view with Stack Layers turned on. Notice that all the 2D stuff has vanished?
Stack Layers is only available in Architect and Designer versions of VectorWorks.