CNC Spring Joint Box | Popular Woodworking
Spring Joint Box Self-locking design requires no glue. By Randy Johnson Squeeze and snap! That’s all it takes to assemble this CNC-routed box. Th e joint’s flexibility comes from a series of slots that allow the hooked tenons to be compressed, so they slide into the mortises. When released, the tenons spring back into position, locking the parts together. While not as rigid as a glued joint, the assembled spring …