Add Fixed Length or Radius Dimension


This tool is used to apply a fixed length to a line or a fixed radius to an arc.


To use the tool, identify either a line or an arc. This will bring up the Fixed Value form, with the prompt either Length or Radius like this:



At this point, you can either enter a numeric value or a variable, such as =H, in which case the Variable Properties form will be opened:



Here, you can enter a suitable Prompt and a value or an Expression.


Once the constraint has been added, the line length or arc radius cannot be altered.

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