Under Workbench mounted buildplate holder

Under bench build plate holder.It holds 4 build platesshould be compatible with all build plates, including the the awkwardly sized vision encoder. Mounted with 6x1/2" wood screwsI fit it into the center of a 2.5" wide studhole in stud must be 38.5x370mm or 1.5x14.5 inches9.65mm or 3/8 inch from bottom of workbench to hole in studrefer to annotated photo