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sampleWidths used floor(L/6)+1 stations from t=0, so tapered tips dominated min/max. Sample only interior stations at 6, 12, … ≤ L−6. When L≤12 there is no interior span: every6In stays empty and min/max/avg stay 0. CAPTURE.md Widths bullet matches. sqft, bdft, scale, and inventory PNG are unchanged.