MK3S Neopixel Light Bar Mount

This design has a two light bars per printer with 8-neopixel LED strips.  Wires are hidden within the internal passages in the bars for a clean look at the printer.  The light bars clamp onto the top of printer.  The valences can be partially printed with translucent or transparent materials to also light up.  Drive your Neopixels with external 5V power supply and keep signal wire less than 1 m for the brightest lights.