"Cone" artefacts problem with subdivison on

Hi there, I hope anyone can help me with this one.
I’m modeling a bottle that has this punt in the bottom.
When I add the subdivision modifier to it, I get these annoying artifacts.
How do I get rid of these? Is there another way of doing it, or?

This is how I have done it:

Hi @Mikkelchristensen and welcome!

You should add support loops there, as cylinder cap is an n-gon.
Use Ctrl+R to add loops and I to inset a cylinder cap face.



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