1* Path->Create Circle... -> Number of Sections: 2* Path->Create Arc... -> Arc params: 3* PathManipulator->Context Menu-> 4 * Transform (creates TransformBox) 5 * Cut 6 * Copy 7 * Paste (replacing first selected points, or appended at end) 8 * Soften (available at hard edge(s), 9 inserts points for round corner, 10 asks for radius) 11 12