thanks for participating
this is what Clemence calls a Quadrix, the LEDs are very small and the array is similar in diameter as a single N219b (ignore the wires, focus on the 4x layout):
here is a Carclo triple 3500k, single 4500k, and a stock light, these are old model (the lights are off, this shows just reflected daylight)
more pics and lumen info in this thread:
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and a visual on the New and Old model, may not be to scale. The Old model measures 1/8” larger diameter, and weights about 1 ounce more:
