If there is interest on how to convert an old, hand-drawn paper drawing: i.e. architectural floor plan, mechanical, electrical schematic etc.into an accurate CAD file without scanning but using a tablet
In this AutoCAD tutorial we'll cover: "Snap", (not to be confused with "object snap") - acts like a magnet to force the cursor to set increments of the screen. The "grid" is a matrix of dots on the screen that can help you visualize things.