This is a 20 x 20 T-nut profile, 150mm long. If you just quickly need a short piece you can print it. It has an excellent fit. You can also use the skp model to alter its size or design add-ons. Please share your add-ons :)
20x20_Extrusion.skp | 1.2MB | |
20x20_Extrusion.stl | 119.1KB |