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DIY Star Wars Lightsaber with LED string by Bo-Yin Chu

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Bo-Yin Chu shared on Thingiverse:

Star Wars Lightsaber use LED string

Blade is 90cm long transparent 25mm outline diameter, 22mm inner diameter PC material tube. Inside is white foam hollow tube and 70-80 pcs 5Φ over 10000 mcd LED string powered by 18650 Li-ion rechargeable battery with 1 ohm resistor current limiter. There is a 16mm diameter metal button switch to control power on and off. Blade is locked by four M4 8mm save screws at the hilt top.

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