Sometimes you need physical models, sometimes you need digital ones.
I need to compose shots from within that structure, I couldn’t possibly render the space from a variety of angels simply by working it out on the paper, now would a physical maquette allow me the freedom to get my eye around the spaces in there. No, it had to be digital. Thank google for sketchup. I cut my teeth on the program a while ago when Perth City ran an open competition for the redevelopment of Forest Place, you can see my proposal here. Unfortunately it didn’t make it, perhaps a little too ambitious.
The more tools you have in your belt, the more prepared you’ll be to think horizontally when challenges arise.