The file 'PLA P̶o̶l̶y̶e̶s̶t̶e̶r̶ Hinge 20×25 Mm 3D Printer Model' is (stl) file type, size is 3.6KB.
Well well ... I can't wait for those hinges to arrive ... Print a single layer and make sure you change the infill direction to either 0 deg or 90 deg so its perpendicular to the bending angle. Happy flying :)