That was a new one (for me).
In the “Other” settungs, you need to disable “Flush into objects infill” and “Flush into this object”. Then, it works (albeit with a prime tower).
But do not expect too much as there are limits as to what you can do with a nozzle of a given diameter. Enabling the “Arachne” wall generator in the Quality settings will allow you to print details down to about 60% of the nozzle diameter. “Classical” only does 100%.
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