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The Board Schematic is the same as my previous WS2812-2020 8x8 Matrix Project but resized for 576 LEDs. The only difference in the layout is that a 4-layer board was chosen because of the high number of LEDs and their current consumption. Its equivalent to having 9 boards on a 3 by 3 arrangement.
The board measures 75x75mm with a led spacing of 3.125mm.
PCB render from Kicad
Here are the Gerber files: