“Found in dumpster. About 4 feet in diameter. Unsure of weight. Made of mostly wood it seems.”

A: "Definitely a form for making a sand mold to make a metal casting of some type of industrial bevel gear. Dig that thing out, and people would pay good money to hang it up or make a coffee table for industrial-chic decorating."
sewing box
Well, If you're brave enough, anything is a dildo