So if a measurement taken from the drawing is 10mm, then at real world scale would be 1000mm when built. When reading a scaled drawing, the scale is shown as the length in the drawing, then a colon (“:”), and then the matching length on the real object.įor example, a floor plan of a building drawn using a metric scale of 1:100 (pronounced “one to a one hundred”), means that for each unit that is measured on the drawing (the 1), the real world size of it is 100 times larger (the 100) than it appears. You may have heard the common term ‘to scale’, which for those that don’t know simply means that every component within a drawing or physical model is in the same proportion to one another, and is represented by one of the above common scales. We discuss how to choose a scale further on in this article… How to read scale drawings It’s very unusual for a scaled drawing to deviate away from using one of these set scales, and as architecture students you should always aim use these standards.Ĭustom scales tend to show inexperience, and must be accompanied by a scale bar, which is both unsightly and adds an unnecessary layer of complication to presentation drawings. 3″=1′-0″ – Pronounced three inches to a foot.1:5000 – Pronounced one to five thousand.The architects scaleĪs architects and architectural students, whether you work with metric of imperial units, there are set scales that are used to produce scale drawings, and these are: Architectural scales metric It can be produced on any paper format and size, with the scale clearly annotated and often accompanied by a scale bar. Scale drawings are defined as a document that contains and represents a scaled object and/or subject. In short, a drawing scale allows real objects and/or subjects to be accurately represented at fixed reduced and enlarged sizes, which can then be measured via a scale rule to determine their real world size.
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