Hi Mala, I'm sorry but I'm not understanding your desired result.

On one hand you want a fully rounded shape but you also want it to show a 20 degree angle?

How can a rounded shape show an angle? Like if I take a sphere and rotate it by 20 degrees it isn't going to show a 20 degree slope anywhere. Slopes seem to me to be things that flat shapes have. But you don't want any flatness either?

Do you possibly have any photograph or sketch showing your desired result?

- Michael