Wall, Slab + Roof Components, in conjunction with the Classes they are assigned to + which control their appearance, are central to my building models. The specifics of the materials the building is constructed from – their name, thickness, unit size + thermal performance, their 2D + 3D appearance (via classes), plus in the case of things like timber framing, the spacing of the studs/rafters/joists – are all bound up in the components within my wall/slab/roof styles. In addition, material take-o