Trey Customization to get another "Razor Naga"

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I really want a way to have another Razor Naga trey. I have a logitech gaming mouse with numbers on the side like the naga. Here is what the Razor trey vs a normal 3x4 trey looks like.

 

I was hoping the current beta would help fix it, but it just turns off the arrows 🙁

I dunno how possible this is, but it's bugged me for awhile.

 

Thanks