The file 'Plastic Nut Insert For #10 Screw 9x9mm Square 3D Printer Model' is (stl) file type, size is 15.0KB.
I made these for my 1995 4Runner for the front bumper license plate. They fit a 9mm x 9mm square hole and use a #10 screw.
Tested fit - perfect. These are best printed in nylon.
Try them and post your results in the comments.
