How to fix sculpting ridges? I ran into a problem I have never seen before and that is when I try to sculpt on a mesh, it sculpts like this:

Instead of this:
I am using dyntopo with these settings:


I feel like theres a very obvious solution to this, but I have no idea what it is.
You must apply scale first. Select the object in object mode and press Ctrl + A -> Scale

See also Why is it important to apply transformation to an objects data?