The Etch-A-Sketch contains very fine aluminum powder, which sticks to the glass. The knobs are connected to wires and pulleys, which move a plastic stylus vertically and horizontally. The stylus...
CAD sketches are more accurate and precise and they can be communicated faster and easier
CAD is a software which can lose information and must be learned to be properly used. Also, freehand sketches can easily have information be added.
They are wayy better
It is not that very detailed.
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