Adding the Concentric Constraint in a Drawing
This function can be used to set two lines, two points or a line and a point concentric.

- Select Modeling | Connection |  Distance > Distance > Concentricity. Concentricity.
- Select a line or a point (A).
- Select the next element: a line or a point (B). The other elements will be moved to make the elements concentric (C).
 Concentric elements in relation to a line and a point.
 Concentric elements in relation to a line and a point. 

