Thank you fredo6,
How do I create intermediate profiles ? with what tool? and how?

I have create a form but i cant applicate thrupaint (quad mesh), i have this error : "Front [Natural] - More Than 4 Edges"
a surface is flat, I want the bricks to follow the curve of the circle like on the stands of a theater

Can you help me please ?

Hello,
I stuck several components in my project, the problem is features that come out of my components, how to hide these features?

Thank you