Re: bolt circle mean...
Posted by
ravas on
URL: https://forum.librecad.org/bolt-circle-mean-tp5711735p5711742.html
I'm not an engineer; but maybe this is what you want:

tools:
- draw → circle → center, point
- draw → line → polygon(cen, cor)
- draw → circle → center, radius
Choose the appropriate snap modes:
http://wiki.librecad.org/index.php/Snapping