Negative Dimensions

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Dimensions can only be positive, so if you want a negative dimension (as a way of positioning a hole to the left or right of another feature for example) you need to put a point at one extreme and then use a User Parameter. This example should make it clear:




When R1Scosta is 0 the circle is on the Z axis.

Text, images and diagrams © 2021 Owen F. Ransen. All rights reserved. (But copy the source code as much as you want!)