Ikea Januari Mounting Plate

This mounting plate is supposed to be screwed to the ceiling and the Januari mounting is screwed to this plate. I couldn't get the original mounting straight on the ceiling so I designed this screw-on holder.
You will need the mounting hardware to screw this plate to the ceiling (dowels, drywall-anchors, ...) depending on the ceiling you have and 2 M5 nuts and bolts to screw the lamp to the mounting plate. Therefore you have to drill 2 holes in the lamp socket. The holes for the nuts are too sm