Smooth the prototype neck and shrink the shoes

docs/npc-model-sourcing.md

@@ -55,14 +55,14 @@ The MakeHuman body should reuse the approved local head/hand parts rather than f
 a second face implementation.
 
 The current local MPFB full-body prototype (`tmp/npc-research/build_mpfb_npc.py`) assembles the
-accepted head on an MPFB 2.0.18 body at **15,373 / 16,000 tris**, 1.810 m, 14 bones and 10
-materials, with project hands, rounded shoe shells, pant cuffs, accessory cuffs and flat slot
+accepted head on an MPFB 2.0.18 body at **15,453 / 16,000 tris**, 1.810 m, 14 bones and 10
+materials, with project hands, smaller shoe shells, pant cuffs, accessory cuffs and flat slot
 colours. It is a review candidate, not a shipped asset. The neck is a radial cut of the decimated
-column bridged by a wide 20-segment cone (lower cone painted cloth, reading as a V-neck); the ankles
-are hidden by raised shoe shells and pant cuffs. Remaining polish: block-shaped shoes, a V-shaped
-shirt hem at the crotch, a skin-tight shirt and angular thigh facets. A torus collar, cloth cylinder
-collar and skin neck-blend sphere were tried and removed because they read as a brace, shelf or
-donut. The production integration decision (bake a committed
+column bridged by a four-ring, 20-segment lathe (lower rings painted cloth, reading as a crew neck);
+the ankles are hidden by 0.12 m shoe shells and 0.08 m pant cuffs. Remaining polish: a bulbous shoe
+toe, a V-shaped shirt hem at the crotch, a skin-tight shirt and angular thigh facets. A torus
+collar, cloth cylinder collar, skin neck-blend sphere and a destructive vertex-smoothing pass were
+tried and removed because they read as a brace, shelf or donut, or tore a hole at the collar. The production integration decision (bake a committed
 source GLB or keep the procedural body) and the owner review are tracked in `TODO.md`; MPFB itself
 must not become a CI/build dependency.