@alexsr Thanks for the submission. Trying to figure out what the object is..a small compost canister? Anyhoo, it’s a good shape but you could accomplish this shape with significantly less geometry. With that in mind, it easily accomplishes the assignment with a B 👌
As for the split along the seam, adding a holding edge to the bottom would be a solution, like this:

And here’s how I would go about generating a cross-hair-based circular mesh (as opposed to a triangle fan circular mesh):
