>>3513482No, that's just a tool to help you figure out how to get things as close to 100% accurate as possible.
In practice you'll only use as much of it as you need. It's very helpful to draw accurate proportions if you lay them out in a rectangle, and it's very helpful to put down a footprint to keep everything on the right plane.
It's this way with all perspective. They teach you the most precise way of doing things and then as you get more comfortable with it you can subtract and freehand.
