SoftPlan version 2020 New Features: Model AtticCreate Attic Space command added, automatically places subfloor, walls, ceilings, and room finished to construct an attic space within a roof cavity. https://ww2.softplan.com/wp-content/uploads/2018/10/2020-CO_24604_Attic_Space.mp4 Auto BasementStairs are included in the Auto basement command. Co-Planer Like MaterialsIf materials are the same and coplanar in 3D, Elevation or Section the line between the two surfaces is removed.