Unable to create solid

Hi everyone
I’m new to rhino
I created some surfaces that intersect eachother and created a closed volume but when I try to make it a solid by Create Solid commad it errors “Unable to create solid”

I saw some topic like this but my problem doesn’t solved

any help appreciated goldan2.3dm (4.3 MB)

Hi,
there is missing an overlapping surface on the bottom of the bowle.
bowle

regards

1 Like

Thanks a million
You are right, solved