Comprising a 3-D array of nine 1-W LEDs in an anodized aluminum package with a height of 0.5 in. and a footprint of 1.3 in. 2, the 10-W Lednium series LED lamp can deliver an output of up to 330 lm ...

[Jan Mrázek] is no stranger at all to home-grown improvements with his Elegoo Mars SLA 3D printer, and there is a lot going on in his experimental multi-LED upgrade which even involved casting his own ...