Different shapes button for a widget

Hi all,

I’d like to knwo if there is a way to manage some buttons with different shapes. I tried a lot and I’m trying it right now but i can’t find out how to do that. I’d like to do a menu like a pie (well, it will be placed in an angle so all I need is a quarter of a pie menu) with different buttons like slice of pie. Can someone helps me?

Thank you all

can you found solution i also want this type of buttons