QTEXT command in CAD: It usually takes a lot of time to make the text on screen because each character is a complicated drawing object which is made from many straight lines or segments of a circle. To save time, in case it is not necessary to read annotations on drawing, you can use QTEXT command. Because this command allows annotations on drawing to be shown quickly in the frame of a rectangle, in which the length of rectangle is the length of character line and the width of rectangle is the height of character, time for appearance is very fast.
Command line: qtext

ON / OFF <current>: Choose ON or OFF

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