Custom Keycaps, they’re actually a thing. They’re sought by mechanical keyboard aficionados who want to make their device extra-special.
Custom keycaps are manufactured keycaps made for mechanical keyboards according to the customer’s or company’s design. Many companies make custom keycaps, including the ones who manufacture the keys for other places keys are typically needing to be customized, like on bank ATM machines.
When you’re looking for custom keycaps, you’ll find lots of different options available (who would’ve thought?). For example, keys can be made out of either ABS or PBT plastics, and symbols can be put on the keys with any method from printing to laser-etching to double-shotting (a type of molding that tends to keep the lettering from wearing out faster, but is harder to find because it’s not a common type of production anymore).
Then, of course, on top of those options, you can choose from a variety of colors, symbols, and even shapes. Yes, shapes, like skulls or Darth Vader: