The file 'Corner Bracket For 25x25mm Extruded ALU Profile 3D Printer Model' is (stl) file type, size is 3.1KB.
This is a corner bracket for 25x25 (or 1" x 1" for fellow Americans) extruded aluminum profile, which is made for M4 screws to hold it on place.
kotnik_za_2525_alu_profil.stl | 15.7KB |