Refit the tourist backpack and photo prop

Hide the tourist photo-pose bag outside camera poses, flatten the backpack straps onto the chest, rebuild the gear GLB/AO and publish the before/after NPC sheet.

tools/blender_assets.py

@@ -412,8 +412,13 @@ def lathe(name, profile, mat, seg=16, loc=(0, 0, 0), smooth=True, sharp=30.0,
     return _finish(_link(name, bm), mat, smooth=smooth, sharp_angle=sharp)
 
 
-def tube(name, points, radius, mat, seg=8, caps=True):
-    """Bent tube through 3D points (handrails, umbrella handles, frames)."""
+def tube(name, points, radius, mat, seg=8, caps=True, width_scale=1.0,
+         thickness_scale=1.0):
+    """Bent tube through 3D points (handrails, umbrella handles, frames).
+
+    `width_scale`/`thickness_scale` turn the round cross-section into a flat
+    strap for shoulder harnesses; the default keeps the old round tube.
+    """
     bm = bmesh.new()
     rings = []
     pts = [Vector(p) for p in points]
@@ -430,7 +435,9 @@ def tube(name, points, radius, mat, seg=8, caps=True):
         ring = []
         for k in range(seg):
             a = math.tau * k / seg
-            ring.append(bm.verts.new(p + radius * (math.cos(a) * side + math.sin(a) * up2)))
+            ring.append(bm.verts.new(p + radius * (
+                math.cos(a) * side * width_scale
+                + math.sin(a) * up2 * thickness_scale)))
         rings.append(ring)
     for a, b in zip(rings, rings[1:]):
         for k in range(seg):
@@ -1008,9 +1015,15 @@ def build_gear(name):
                      bevel=0.02, segs=2))
         p.append(box("Zip", (0.24, 0.005, 0.01), (0, 0.317, 0.05), M("steel")))
         for s in (-1.0, 1.0):
+            # Strap path: over the shoulder, then down the chest outside the
+            # torso front (Godot z≈0.21). The old chest/waist points sat at
+            # z≈0.13 inside the body, so only thin tube fragments read as two
+            # rigid black bars from the front.
             p.append(tube("Strap", [(0.09 * s, 0.13, 0.27), (0.10 * s, -0.02, 0.29),
-                                    (0.11 * s, -0.13, 0.18), (0.12 * s, -0.12, -0.08)],
-                          0.012, M("plastic_black"), seg=6))
+                                    (0.105 * s, -0.06, 0.25),
+                                    (0.11 * s, -0.19, 0.18), (0.12 * s, -0.19, -0.08)],
+                          0.018, M("plastic_black"), seg=8, width_scale=1.35,
+                          thickness_scale=0.42))
     elif name == "shoulder_bag":
         # Keep the bag's inner face outside the widest skirt flare (dress = 0.26):
         # 0.292 - 0.06/2 = 0.262. The strap starts/ends on that same outboard line.