Hand drawing also adds an element of creativity, he notes. “With computer drafting, you don’t draw a column two or three times, you draw it once and then copy it.

To him, hand drawing is a dying art. An element of art Johnson didn't start out with artistic ability. When drawing a house as a child, he would ask his parents to fill in the trees.

There, I learned how to precisely hand-draw plans, elevations, sections, perspectives, and details (all one needs to know to prepare a design), but I quickly moved to digital programs, allowing me ...