How an offset fills the outside of a corner. arc rounds it, intersection extends both sides to
their meeting point and leaves a sharp corner, tangent continues each side tangentially. arc is
the safe default; intersection can fail on tight corners where the extensions do not meet.
How an offset fills the outside of a corner. arc rounds it, intersection extends both sides to their meeting point and leaves a sharp corner, tangent continues each side tangentially. arc is the safe default; intersection can fail on tight corners where the extensions do not meet.