Extend, move, or rotate construction lines and arcs
You can modify construction lines and arcs in different ways according to your needs. You can stretch, shorten, or rotate construction lines, or move them in a perpendicular direction. As for construction arcs, you can stretch and shorten them, adjust their radius, or move them in any direction. For detailed instructions, see the following paragraphs.
Restriction:
You can only move construction lines and arcs in 2D views.