1. A jig for supporting a plurality of cameras, comprising: a. a platform; and b. a plurality of brackets, each connectable to a respective one of the plurality of cameras and secured to the platform in an array; wherein a first bracket in the plurality of brackets is immovably secured to the platform at a center of the array, wherein a set of second brackets among the plurality of brackets is pivotally connected to the platform on a left side of the first bracket and pivotable toward the first bracket, wherein a set of third brackets among the plurality of brackets is pivotally connected to the platform on a right side of the first bracket and pivotable toward the first bracket.