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Why do you need to dimension your drawings?
Why do you need to dimension your drawings?
Dimensions communicate key information about the objects you are drawing. Without labeling the lengths, widths, thickness, diameters etc., your drawing is just a picture of a shape and provides no insight into how big the shape really is. For example, if a client provided you with an orthographic drawing of a desk that contained no dimensions, you would be guessing the sizes of the desk, and it may not meet the requirements of the user. Conversely, if a client provides you with a fully dimensioned drawing of the desk they would like you to make for them, you will be able to produce a desk that they are pleased with.
Introduction to dimensions
Introduction to dimensions
This video will give you a clear view of how to add dimensions to your drawings. The key points are as follows:
Do not repeat dimensions
Use the dimension lines accurately to the edge of the shape
The text goes in the middle of the dimension line
This video is American, hence they are using the Imperial system (Inches). Ignore this aspect of the video and concentrate on the concept of measuring and labeling the size of each corner.
Let's take a closer look
Let's take a closer look
This video will give you a more in depth look at the rules surrounding dimensions on your drawings.
Note: Once again, the dimensions in this video use the imperial system. In Australia we use the Metric system, so when you are dimensioning your drawings, be sure to use millimeters (mm).
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