THE ELEMENT TO BOOM BRACKET (1/4)
What you need:
"L" iron 30x30x3;
"L" iron 20x20x3;
iron 40x3;
Pipe 43x3,5 (or similar);
Prepare (for any bracket):
4 piece - 20 cm lenght - of "L" iron 30x30x3 ;
4 piece - 5 cm lenght - iron 40x3;
8 piece - 5 cm lenght - of "L" iron 20x20x3;
2 piece -15 cm lenght - pipe 43x3,5;