Use this tool to determine your ideal keyboard size based on finger spacing and black key width.

You’ll get a personal code (e.g. “3F”) that defines your perfect ergonomic layout.
Once you send us your code, we’ll follow up with a second package: a printed mockup of your specific keyboard size — so you can try it out at home.
 
💡 Prefer to save costs? You can also download and print everything yourself using our free files.
 
This listing is for those who prefer to have the tools professionally printed and shipped.