Angled line on a straight edge

1# Gallery: shapes / fuse-angled2page = canvas(name="Angled flat seams", size=(120 mm, 80 mm), background="#f7f9fc")3font = "DejaVu Sans"4heading = text(content="Angled flat seams", font_family=font, font_size=14 pt, color="#203864")5page.add(heading, target=page.top_left, offset=(7 mm, 5 mm))6# BEGIN DEMO7box = rect(size=(20 mm, 18 mm), fill="#087f8c")8upper = page.add(box, target=page.top_left, offset=(12 mm, 24 mm))9up_line = page.add(line(dx=35 mm, dy=-12 mm, line_width=3 mm),10                   target=page.top_left, offset=(44 mm, 21 mm))11up_join = page.fuse(upper, up_line, points=(upper.middle_right, up_line.start),12                    bridge_width=3 mm, junction=round, radius=2 mm,13                    fill="#087f8c", border_color="none")14 15lower = page.add(box, target=page.top_left, offset=(12 mm, 50 mm))16down_line = page.add(line(dx=35 mm, dy=12 mm, line_width=3 mm),17                     target=page.top_left, offset=(44 mm, 59 mm))18down_join = page.fuse(lower, down_line, points=(lower.middle_right, down_line.start),19                      bridge_width=3 mm, junction=round, radius=2 mm,20                      fill="#087f8c", border_color="none")21# END DEMO