SummaryStrong hook with one screw holes. Height - 54 mm Width - 30 mm Depth - 30mm Holes dia 4mm I made: Silver - ABS - layer height - 0,2mm - with support 3mm Blue - PLA - layer height - 0,2mm - without support (problems at the end of the hook) I recommend: ABS and PLA - layer height - 0,1mm - with support 2mm Instructions: More infill = stronger hook