I optimized my brake for a better radius and designed and created a new bracket.
I noted that the bends of my sheet metal tool are quite sharp, estimated bend radius less than 1 mm.
According the table in AC43.13-1B the minimum bend radius is 0.5 * t:
Because I need a better solution for running the conduit through rib 2, 3 and 4 I designed a bracket in SolidWorks.
You can download a limited version of SolidWorks via the EAA website (members only).