I FOUND SOMETHING ELSE I WANT.
IT IS A MATH STENCIL.
IT IS GLORIOUS.
Look at this. Look at those lower case Greek letter stencils. I’ve needed those so many times in the past.
(Image from Tumblr.) And the curly braces. THE CURLY BRACES, PEOPLE.
Edit: Okay, found the motherlode.
This is glorious.