Printing (shown sample): - Ultimaker 3 with a 0.4mm AA print core, - material Ultimaker Black PLA, - stadard UM profile, - normal resolution (0.15mm), - printed with enabled supports set to 30%. - printed with brim (7mm) directly on the clean print bed glas. Additional materials: - Arduino Uno Rev.3 kit (with base plate included), - M5x8 screw + washer + T-nut for fixing the bracket to a beam. - 2 to 4 M3x8 screws + same number of M3 nuts to fix the base plate to the bracket, - 2 to 3 M3x6 screws to fix the board to the base plate. The bracket is printed in two parts. They can be glued together for better stability but it is not necessary. They will lock together when the bracket is mounted to a beam.