Abstract: A multi-purpose routing jig comprised of a set of box type truss members which can be made of plywood or the like and may be assembled with butt joints, glue, and screws or bolts, which members can be quickly assembled or disassembled without use of other tools. The structure of the jig comprises the series of truss members which when fastened together in its primary bench-type configuration holds the router internally, in inverted position, with the bit positioned for easy and accurate access to various workpieces. The jig can fasten together in different configurations to make a) a router table and fence, b) a freehand router table, c) a joint maker or horizontal router, c) an overhead router, d) a dado and rabbet cutter, e) an edge guide, and f) an extended portable router base.