1A BRIEF HISTORY OF CAD
Humans have always created their own designs, and in the dark times before the rise of computers, engineers used technical drawing to describe three-dimensional objects.
You’ve probably done some basic technical drawing yourself at one time or another. Maybe you made a sketch for a coffee table you were building, or you drew a simple floor plan of your bathroom to show a contractor where you wanted that new whirlpool tub.
In both these cases, the idea is the same: to illustrate something physical as clearly as possible. It’d be inconvenient to come home to find that your contractor had blocked the bathroom door with your ...