Except in the case of Fair Use Laws, permission for any use of these materials must be requested from the author. Copyrights and other proprietary rights to the material on this website may also be held by other individuals and entities as well and are noted. Randall Wilkins retains all rights, including copyright, of data, image, text, and any other information contained in these files. Use the other side when working with 1:50 metric drawings and the ‘feet’ scale will give you the equivalent distance in imperial units.Īll content on this site, including electronic text, image files and other materials are protected by copyright laws and may be covered by other restrictions as well. The opposite edge of the scale will read out equivalent metric lengths. When working with a 1/4″ drawing, use the side with the yellow box marked “Imperial”. Carefully cut out the scales and mount on either side of the board. You’ll notice that the foot increments on the blue “Metric” scale measure slightly less that 1/4″ so don’t be thrown off by them. It should measure a true 1/4″ to the foot. Check for print accuracy using the “Imperial” scale. Be sure to print it at 100% and make sure the “zoom to fit” box is unchecked. Download and print out the PDF from the link below on 11 x 17 paper. ![]() You’ll need a 1 1/2″ wide by 17″ long piece of matt board or thin basswood. Since there doesn’t seem to a source to buy them anymore, I made up a paper scale set for 1/4″ / 1:50 that you can print out and make yourself. If you can get your hands on a set, buy them. I ordered a metric / imperial set nearly 14 years ago and they’re very handy. Alteneder & Sons which made custom drawing scales. There used to be a company in Philadelphia called T. Here’s a quick list of common sizes converted to soft metric:Ĭounter height – 915 mm ( 36″ ) Common Drawing Scales ![]() Since a millimeter is less than 1/32″ in length, you won’t be very popular among the people building from your drawings.ĭrawing in metric straight from the start is the better way to go once you have some basic metric visualization skills. In hard metric you dimension in Imperial and then covert to “hard” or non-rounded numbers, meaning you’re going to end up with numbers in tenths of millimeters, which is fine if you’re drawing machined parts. In soft metric, you draw and dimension in Imperial and then also give the equivalent metric measurement rounded to the nearest millimeter. Two other methods are the “soft” and “hard” conversions. With more and more films being made abroad it’s becoming more common for set designers and art directors to have to create construction documents that will be built out of the country. The easiest method is simply to draw in metric from the start and avoid some inevitably strange conversion numbers. Dimensions on drawings are expressed as millimeters, usually without a suffix ( mm ) after them. Most countries use a system known as “S.I.” or, System International. Even the British and Canadians have abandoned the system for metric units of measure. ![]() ![]() and Burma still use the Imperial system of measure.
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