Since the scale line of a general ruler has a width, many people have had the experience of trying to draw a line of the correct length with a ruler and wondering 'how far should I draw this scale ...
How accurate you need to be when you measure depends on the situation. To measure and draw well, you need to know how to use a ruler and understand the different units of measurement, such as ...
US-based innovators HOZO Design C.O. have launched an Indiegogo campaign for the “first compact digital rolling ruler.” The “ROLLOVA” seeks to replace traditional measuring tapes with a compact gadget ...
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