Family rotation issue

Hi everyone,
I am having issue with finding the correct angle to rotate a family. The issue is when I model a pipe from left to right the angle is 135 and it is a correct degree for rotating the hanger family. however when I model the pipe from right to left the angle will be 45 and as the picture shows the angle is not correct.
can anyone tell me where is my mistake?

Hi @amirjalaliafshar ,

As a start, try this, maybe it can solve your problem.

Thanks a lot Edson, that solved my issue.

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