Window Coat hanger Bracket

Commercial office window hanger bracket2.0 design fits a vertical widow support of an approximately 44 mm width.3.0 is .5 mm wider than the 2.0 version. designed to fit a marginally larger widow support.PLA is entirely too flexible. I am experimenting with PETG and ABS. will update as necessary. Bolt size is a standard coarse thread 1/2" 13 NPT