> I figured there must be some professional software for this, but if so, I don't know what it is. As an architect I can confirm that there's indeed a lot of p

> I figured there must be some professional software for this, but if so, I don't know what it is. As an architect I can confirm that there's indeed a lot of professional software for this. The ones I usually work in are Revit and ArchiCAD, which are tailored for architects. Our interior architects also use Sketchup a lot. There's also more general-purpose CAD software like AutoCAD and Vectorworks available.