In addition to the existing bugs in the contour tool and expand stroke, visual artefacts also appear!
S_curve_example_BUG_contour_tool.afdesign
S_curve_example_BUG_expand_stroke.afdesign
S_curve_example.afdesign
S_curve_example_BUG_contour_tool.mp4
S_curve_example_BUG_expand_stroke.mp4