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5 Pick several points to create several line segments, and then enter W to start the Width option. Then set a new width, as shown in this command line sequence: Starting width <0.0000>: 5Specify ending width <5.0000>: Press Enter
6 Pick several more points and note the line width of the new segments.
7 Set the Width option again: Starting width <5.0000>: 15Specify ending width <0.0000>: 0
8 Pick another point.You just created a cool arrowhead! Any time AutoCAD prompts for a length or distance, you can either type a value or you can show it what you want by picking two points in the drawing.
9 After you finish drawing segments, press Enter to leave the figure open, or type C and press Enter to close it back to the start.AutoCAD draws the final segment and miters all the corners perfectly.
ssss1 The optional extras.
In the following steps, I spice things up by adding an arc segment to a polyline.
ALTERNATIVES TO THE LINE AND PLINE COMMANDS
The Line and PLine commands work well for drawing a series of end-to-end single lines, but you may want to draw a series of double lines to represent, for example, the edges of a wall or roadway. Here are some options: