YouTuber “DIY Perks” Builds Homemade Watercooled >100,000lm Single COB-LED Light-Cannon

February 28, 2026

https://www.youtube.com/watch?v=rqCt61ZbU10

This is hilarious and unbelievably cool. Thought y'all might enjoy it as much as I did!

by naota3k

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