You Can Draw It Correctly and Still Not Understand What You Are Drawing
Learning AutoCAD begins with commands. Technical modeling begins with understanding what those commands represent. Two students receive the same task. They open AutoCAD. They create the same shape. The dimensions on the screen appear identical. The lines meet in the right places. The finished drawings look almost indistinguishable. One student can explain why every line exists. The other cannot. Change one dimension, and the first student knows what else should change. The second begins moving geometry until the drawing looks right again. Ask what the object represents physically, and the first student can reconstruct it. The second sees lines. Both may have produced the correct picture. They have not necessarily produced the same understanding. Knowing how to operate CAD software is not the same as knowing how to model. — Tymur Levitin AutoCAD Can Make a Weak Model Look Precise Technical software creates an unusual illusion. The screen looks exact. Lines are straight. Angles can be me...