My ... example to put a node on the line, move this node and the total length doesn't change, and make a filet on the angle, etc. like with a rope.
Then it's not a Line any more; it's a Polyline with Arc segments, but it does reveal a failing in the Polyline command's operation; when switching from a Line segment to an Arc segment, the Arc's start point is always tangent to its predecessor's segment, but a Line segment cannot be locked tangential to the Arc segment that precedes it. For years, my preferred workaround has been to place Circles, then draw Lines tangent to the Circles, then V-snap a Polyline around the perimeter.
I suppose we could request a new command (let's call it Rope
) where the length is specified first, followed by the origin point. Then, as the cursor is moved around the screen, the rope is continuously re-drawn as if in Polyline mode, with each position click being incorporated into the resulting rope until the total length is used. All segments, Line or Arc, would be tangential to the preceding segment. If the last segment is desired to be an Arc, then the user can click and drag to adjust.
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