Bad render

Hi, I’m new to Rhino. Could someone explain to me why the surfaces of my model look like this? I did the analysis and it tells me that there is no bad surface. Thank you

Captura2
Captura1

is not a problem of the surface, but the mesh representation of it. try to increase the mesh quality in this icon:
image

1 Like

Thanks a lot! Now it looks great! thank you so much