★★★How to use Loft command between a circle and a rectangle

Issue:

How to use Loft command between a circle and a rectangle？

Solution:

1. Create a circle and a rectangle and set the height difference.
   
2. Redefine the circle sketch.
   
3. Click the Trim/Split at Point command to split the four corner points.
   
4. Click the Loft command in Shape.
5. Select the circle and rectangle as Profile respectively.
6. Connect the split points and the rectangle's corner points with control lines.