neopixel to optical fiber customizable coupler

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neopixel (ws2812b) 144/M LED customizable coupler/adapter for fiber optics

This design is customizable, primarily you can change the number of LEDs you are using, or you can lengthen the tube and change some other measurements.

This was designed for a generic ws2812b 144/m light strip found on ebay for about $12. The LEDs are 5050 (5x5 mm), spaced out by 2mm on each side.Your design may have slight variance so you can customize this as needed.

video of coupler in actio