It is a well know fact, that cutter diameter impose restrictions for part cutout geometry.
problem description 2014 SOLIDWORKS Help - Sharp Internal Corners
How to solve it more or less automatically in SW?
I attached Lib Feet Part to insert angle cut from Design Library.
But my version does not work for acute angle (I do not know why).
And it does not allow to place cut like this:
May be one know how to deal with inner corners? a good part for design library, or script solution, or some other approach?
PS why Fillet does not accept negative radius)