Refer to CADD Primer for discussion on standard sheet sizes and CAD plotting guidelines. Both are commonly used to print CADD drawings. For special graphic applications, there are machines that can print at 1200 dpi or higher accuracy. Plotters print drawings by plotting vectors. They print drawing objects one by one, just as we draw them on the screen.
Printers print data in a raster format and the drawing is printed line by line from top to bottom.
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