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Placing a circle relative to a diagonal line


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Posted

http://i49.tinypic.com/2vdjnd5.png

 

I'm trying to place the blue circle at the bottom of the drawing so its radius is 15mm from the mid point of the diagonal line on the right. I've been experimenting with snap points and the from command, but I can't seem to get it just right. I suspect I mess up with the coordinates from the offset point since it's on a diagonal line. Any tips would be appreciated.

Posted (edited)

Use Geometry Constraints.

 

Geometry Constraints.png

 

attach the dwg file here

Edited by JD Mather
Posted

I would first move the circle placing his center on the middle of the slope segment. Next draw a perpendicular line from said middle. Last step move the circle from his intersection with the helper line to the middle. Erase the helper line. Done!

Posted

I prefer to rotate the UCS to match the diagonal line, draw the circle at the mid point, move the circle.

 

You can type UCS, O, pick line. Later type UCS, W to get back. I have quick keys set in a lisp file for UO and UW to automate that some.

Posted

Thanks again guys. This forum is a godsend.

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