The linoleum is down and the end walls are (virtually) up! The beauty of SketchUp is that I don't need any bracing to leave them like this overnight.
The far wall will end up being one of the bathroom walls, designed to face north. The extra stud is at the edge of where the shower will be, as a place to fasten it.
The near wall is the end of the living room, designed to face south. The three rough openings are for 22" by 44" double-hung windows.
The walls framed on top of the finish flooring is a bit unusual, but it eliminates the weight and thickness of plywood that would normally go under the hardwood floor.