When creating a edge flange in sheetmetal ,it won't accept value under 90 degrees. it only accepts values between 90 and 180 degrees.
can't locate setting that is driving this. The lock symbol is greyed out and cant be selected
Change the "tangent bend" to a different option -this one does not work with angle under 90 deg.
Hope this helps.
I was having the same issue and changing that worked for me!
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