I used Nuki's official logo from their press kit, turned it into an .svg file, flipped and cut it out. Looks a lot nicer on white walls.

You can push the bridge's button with the letter U, there is no need to remove the cover. If you use bright filament the LED should light trough it.

Print settings

I printed it at 100 % scale, but the fit is very tight. You may scaleX and Y to 100.5 %, to put it without force on (not testet the increased scale).