My Neptune 3 Pro's LED lighting shines directly into my StreamCam, causing a terrific amount of lens flare. So I made asjolund's snap on cover into a lens hood. No more lens flare.
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Fusion 360 files provided in case you want to print one of a different size. I sized this to be as large as my camera mounting would allow; a larger or smaller loft may work better. These dimensions are guesstimates and I didn't bother calculating the correct field of view from the sensor.
The author remixed this model.