I've posted this site in a thread response but I think it needs its own thread so it will be easier to find.
Nikon has its own software that create and tweak the Picture Control, below is an online site can create presets.
Warning, this is an external site and may not work or induce some problems in your camera so use with caution.
The site is: https://nikonpc.com/
It allows the user to copy or make their own presets and then download the output and add to their Nikon Picture Control menu.
I hope others find this helpful if not something to curiously play with with their Nikons.
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