StrokeJoin Inherits: Enum Styles to use for line segment joins. Properties BEVEL – Joins between line segments connect the corners of the butt ends of the line MITER – Joins between line segments form sharp corners. ROUND – Joins between line segments are semi-circular. Properties# BEVEL = 'bevel' # Joins between line segments connect the corners of the butt ends of the line segments to give a beveled appearance. MITER = 'miter' # Joins between line segments form sharp corners. ROUND = 'round' # Joins between line segments are semi-circular.