~20cm Dolls Small fat girl

As a way to reason with myself whenever I'm tempted to buy a new doll, I've decided to try making my own.
That was a few months ago. Then this week I decided to start working on it again, and to try and make myself accountable, I'm talking about so I might get shamed into not giving up
Because of that time since I started the project, I've lost the initial to-scale plan, which means for now I'm eyeballing this. Which I know is a highway to failure, so I'm gonna try to make a new to-scale plan.
But for now, here's what I have:

It's very, very rough. I'm using air drying clay, and this brand seems a little fragile so I'm wondering if I should invest into some ladoll.

Have also a rough plan of what I'd like her to become