Facebook today announced the second generation of its Surround 360 video camera design, and this time the company is serious about helping potential customers purchase it as an actual product. The Surround 360, which Facebook unveiled last year as an open-source spec guide for others to build off of, has been upgraded as both a larger, more capable unit and a smaller, more portable version.

Facebook is calling the big model the x24, because it now has a 24-camera array arranged in an orb instead of the 17 cameras the original flying saucer-shaped Surround 360 called for. The small model is the x6, with just six cameras but in a far more manageable package. Instead of just releasing the design schematics for these cameras online, as it…

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