Enclose open edges, make geometry changes along a path of edges, and connect multiple profiles or edges.
Click the cover tool from the action bar.
Click the edges of the object to cover.
Mark a face of an object that you want to cut.
Click the sweep tool icon.
Select the face you marked earlier.
Select the edge you want to cut.
Click the Finish icon. The original object is modified along the sweep path.
Here is video demonstrating Sweep:
Click the Loft icon.
Click the edges on the first object and click the arrow.
Click the edges on the second object.