My floor plan appears in 3d view, but not on the plan.
When I try to draw a wall it redirects to this link
All is written. You must consider each elements are visible on their minimum installation levels. You are able to modify it by a right clic on your 3D elements in 2D or in 3D.
set walls to "symbolic cut" on "home story only", or verify that the floor plan cut plane is counting the story you are on as a "relevant story" by cut and story visibility