Click a point to select it (shift-click to add to selection). Drag any handle to move it. Hover over the curve and click to add a point. Use the delete button or right-click to remove selected interior points.
Backing
Seat / Leg Curve
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Arc length (flat metal needed)
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Backing + arc (total stock)
Arc length is computed numerically along the spline. Add ~⅛–¼" extra for bend allowance depending on metal thickness.
