Continue after step 10.
11. Open a new 3Dsketch, and select the lower tangent loop and click convert entities. Exit the 3Dsketch.
12. Repeat the convert entities step for upper loop and exit the 3D sketch.
13. Create a new sketch on the right plane and draw a rectangle and dimension it.
14. Use swept cut feature.
15. Select the Profile, Path and also the Guide curve as shown in the picture. Make sure your settings in 'options' match the
parameters shown in picture.