Thanks Everyone, I think the problem is that I don't use LayOut very well.
TIG, my problem is that I cann see the insert window like Sketchup. But when I export (PDF, JPG...) I see all the lines with the same thick
ANSSI, I have to "play" with that information! maybe this is the way
Julian. Really I was looking for something "easy" and automatic. SketchUp works well and I want to replicate the view in SketchUp inside Layout without too much work!