For those who have to setup small plastic gutters (Pipe 50 mm dia. and gutter 65mm)
Those are found in mobilhomes & garden appliances.
Easy to print in PLA, no support.
Made to hold with : M5 screws for upper bracket, designed to be fixed to metallic roof with a metal screw.

M6 screw use for the pipe(lower) bracket, designed to be fixed to a 100mm metallic beam.