How to model oxygen mask?

Hey guys,
i start model that mask but im think is not good.
how would you do it? I made it point by point.
Can you give me a tips?
Thank you

oxp-20pface

hello, in what way is it not good? it doesn’t seem too bad to me…

Hello, its feels bumpy to me :confused: Mabye cause i do not have good picture of side wiev.
What i should focus on to make it more smooth and clear.

Here is a try (not finished), I don’t know if it’s better than yours though: