A small holder to fix a lamp power cord to the ceiling with a screw. It was designed for a power cord with a diameter of of 6 mm. The screw hole has a diameter of 5 mm.
To print the holder without supports, the screw hole in the upper part is not continuous. Only one layer is printed in the middle. During mounting, the screw can penetrate this layer effortlessly. The overhanging slope is 40 degrees and should be feasible for most printers.
See technical drawing (attached as pdf) for further details.
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