KPSI (knots per square inch) measures knot density; higher counts allow finer imagery. Silk Qum pictorial rugs often exceed 400 KPSI, with exceptional pieces approaching 900 KPSI.
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KPSI (knots per square inch) measures knot density; higher counts allow finer imagery. Silk Qum pictorial rugs often exceed 400 KPSI, with exceptional pieces approaching 900 KPSI.