Plasterboard Ceiling Cord Hook

A normal iron hook did not hold any weight in my plasterboard ceiling because of the shallow thread.So i designed this 3D printable hook to guide electric cord at the ceiling.Max diameter of the electric cord is 6 mm.PRINTINGI printed with 0.4 mm nozzle, 0.12 mm layer height, 3 perimeters and support.ASSEMBLYPre-drill a 5 mm hole in the ceiling.Screw the hook into the 5 mm hole.Guide the electric cord through the hook.Use a Locking Ring if necessary.