Huh - despite looking at the keyboard several times last night, I managed to create my drawing incorrectly.
Luckily I only had to move a couple of components to fix things.
Okay, single level, or dual level on the LEDs? These are 3mm.
Here's a layout I'm envisioning, with examples of both.
Key to key Spacing isn't quite on, but I'm pretty close. I used 0.9 from key to key, think it's a touch more.
Hmm, internet says white keys are 7/8" with 1/16" gap.
52 keys * 7/8 + 51 gaps * 1/16 = 48 11/16" Little too big.
