Lovely engineering; if you bring it to market(?) I suggest offering if not full customization a range of aesthetics.

Black/red is a hard no for me. Something fitting with the existing aesthetic (let's call it "Scandanavian milled", subtle frosting, white text) or warmer ("natural", off-white, orange LEDs) etc etc.

One other question: waterproof? I assume that's not possible. Would be a decision maker for me personally probably.