Affinity Designer. Best in class for creating concept art, print projects, logos, icons, UI designs, mock-ups and more, our powerful design app is already the choice of thousands of professional illustrators, web designers and game developers who love its silky-smooth combination of . Pen Tool. The Pen Tool is used to precisely draw curves, closed shapes and straight lines. Pen Mode, Smart Mode, Polygon Mode, Line Mode. It lets you draw straight lines or curves as a single segment (like a section) or multiple segments. Segments are delimited by .
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