File: Extrusion Connector.stlName: 20mm Extrusion ConnectorPLA Material: 1.31 grams ( 0.003 lbs) Infill = 10%Size: 10.67 mm (0.42") x 19.05 mm (0.75") x 19.05 mm (0.75")Resolution: 0.20mmLayers: 101 layers Rafts: Yes Supports: NoPrint Time: 0 hr 16 minFunction: This is a connector between two 20mm slotted extrusions. This should be printed 1:1. There is a hex opening on the backside of both legs so you can push in a small form #6-32 or regular #4-40 hex nut - 6.35mm (0.25"). You can use a machine screw or set screw to attach to the legs.