Move Point at Intersections

On the Shape tab, in the Move/Copy group: Click Move Point at Intersections to move a point on a selected shape and also move the position of the point on every other shape that shares that intersection. (Ctrl+M,I)

1. Pick the shape.

2. Select the point you want to move.

3. Click and drag to move the point.

   A preview of the new position of the point is shown.

   The position of the point on every shape that shares that intersection is also moved: