The 3-D design program AutoCAD gives you several options for drawing lines. One option involves moving the mouse to specify a line’s length and slope. Another way is to type numbers indicating the exact length and slope of a line. The less precise mouse-based method is suited for sketching out designs, when precision isn’t as important as getting some ideas down in graphical form. The more precise keyboard-based method of line specification is essential for the later stages of a design when manufacturing crews begin using the design. Writer Bio
