Circle of fixed or arbitrary radius

To create a circle of fixed radius you need to set its radius and center point. You can use previously created point object as a center for circle as well as any line (or area) vertex. (Refer to I mode of Supplementary modes of creation for details).

To create a circle of an arbitrary radius you need to set its radius and center point by left mouse button. You can use previously created point object as a center for circle as well as any line (or area)  vertex. (Refer to I mode of Supplementary modes of creation for details).