Sure, since you are new and have a most ambitious project ahead of you, I'll send you my 4 worst ones (which are not that bad) for free if you pay shipping. I'll send a photo later.
I suggest you clean them with oven cleaner and polish with barkeepers friend or chrome polish.
Then get a red, and black, paint marker and trace around the ridges then fill in. Only a couple minutes each. Or, the red hex can be masked and spray painted instead.
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