Here's a custom neopixel blade I made for Bubbahotep on this forum:
Custom Neopixel Blade for Bubbahotep on FX Sabers Forum - YouTubeSpecs:
28 Inches
TCSS Connector
TCSS 7/8 TransWhite blade tube
TCSS 7/8 foam
Multiple layers of diffusion
TCSS 7/8 bullet tip with drilled out center for fuller tip
2x Strips 144 per meter Adafruit Neopixel RGB strips skinny on white backing