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90 degree connection block for 20x20 extrusion profile
Connection for 20x20 aluminum extrusion profile with 6 mm gap dimension. This 90 degree connection uses M5 x 16 mm screws, a ring and slide nut. Printed at 70% fill this gives a very sturdy connection. Perfect to have low cost build of CNC machine or 3D printer.
The STL file needs to be scaled 10x for printing.