I would like to output a drawing that contains a 2D broken section of a 3D model like shown below: I only want to show what is on the red planes (i.e. a projection on a plane parallel to the red planes), not what is on the blue plane. For some reason one of my drafters cannot do it and shows instead what is on the top red plane, then what is on the blue plane, and finally what is on the bottom red plane, and tells me that what I want is not possible, which I find surprising. Can't we do two half sections, top and bottom, and show them both to recreate the desired view? Or can't we define the section planes and display them in such a way that the blue plane is not shown?