re: the clamp bracket bendsâ€¦
Save the -140 bend for last. Do your 90Â° bend, then bend the other end 50Â°. You'll need to turn off the "Left Side" option so that it bends that end of the extrusion up. Now you can do the minus 140Â° bend. I think you would be better off making a single hanger, turn it into a Block, then Linear Copy to create the bracket. Explode the first & last Block and then use the Quick Pull tool to lengthen the edges on the ends.
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Windows 10 Pro (1803), 64-bit