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Posted

Is there anyway to force the extension lines to remain radial when the arc is below 90 degrees?

  • 1 month later...
Posted

I have searched for the answer to this question and asked a few times and nobody ever seems to answer. Is there no one from Autodesk that can tell us why for an arc under 90 degrees the extension lines are not perpendicular to the arc? This is a drafting standard and long time drafters in my company (and others I have spoken with) don't understand why they are shown as if dimensioning the length of a chord. The measurement is correct it's just the presentation is wrong. Help us please!

Posted

there is a lisp routine called arc-dim.lsp that will do what you're asking...

 

basically what it does is use an agular dimension then overides the with text...as such to update the dimension you will need to redraw it...

  • 1 year later...
Posted

The problem when it is less than 90 deg the extension lines will be orthogonal like the sketch on the left.

 

dim_arc_length_02.png

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