i think probably the best is Houdini Indie a friend of mine has a hard one for this program and i can't lie it looks amazing its a 3D modeling program and more that does alot of stuff with code sadly im not that familiar with how it works i only know the bare minimum, it has alot of capablities for auto generation and such…
As @DEVgenesis said I assume if all your plans are designed the same way, you could automate something in Houdini. If you want to do it by hand I'd go in Illustrator. Maybe there too you can automate something (same as Photoshop scripts) I'd maybe start doing it by hand to get an idea. If say walls are a thicker stroke,…