@@ -1,16 +1,19 @@
 # Wall torch
 
-A showcase piece, not an example. Procedural wall-mounted torch sconce
-(running-bond dressed stone plaque, iron plate and arm from named
-stations, bowl cup, wooden haft, emissive flame) then the shipped
-pipeline: unique-cell UVs, Cycles high-to-low normal bake, LOD chain,
-convex collider, Unity glTF export.
-
-The plaque back sits on the wall plane Y=0 with zmin at 0. The iron
-arm is a tube from the plate station to the cup wall, not a pair of
-square bars aimed at a funnel. The bowl opens upward and holds the
-haft. Hygiene family 15–19: `--stray-vert`, `--lift-z`, `--float-arm`,
-`--float-plate`, `--skinny-plaque`.
+A showcase piece, not an example. A procedural wall-mounted torch sconce: a
+running-bond dressed-stone plaque with dark mortar joints, an iron wall
+plate bolted to the stones, a level iron arm, an open iron cup, a leaning
+wooden haft with a pitch wrap, and upright emissive flames. Then the shipped
+pipeline: unique-cell UVs, a Cycles high-to-low normal bake, an LOD chain, a
+convex collider and a Unity glTF export.
+
+The plaque back sits on the wall plane Y=0 with zmin at 0. The plate's seat
+comes from the face of the facing stones (`stone_face_y()`), a named bite
+into it. The cup's mid-height is the arm's height, so the arm is level by
+construction. It runs from inside the plate into the cup's wall. The cup
+sits on the haft's axis, which leans 15° out from the wall. The haft stands
+on the cup's floor and runs up into the wrap. The flames stand upright from
+the wrap, whatever the haft does.
 
 It asserts **budget conformance** of the generated result. It does not
 witness an API contract. "It rendered without error" is not a check.
@@ -24,35 +27,39 @@ witness an API contract. "It rendered without error" is not a check.
 Hygiene combinatorics match `examples/mesh-hygiene-audit` (copied, not
 imported).
 
-Intended size: 0.28 m plaque width, 0.40 m plaque height, bowl
-projecting 0.24 m from the wall; outer AABB 0.304 × 0.293 × 0.424 m.
+Intended size: a 0.28 m wide, 0.40 m tall plaque; the cup centre 0.24 m out
+from the wall; the flame tip 0.48 m above the floor. Outer AABB
+0.304 × 0.322 × 0.485 m.
 
 ## Budgets
 
-Declared as named constants; every gate **recomputes** from the mesh,
-materials, UVs, evaluated LOD, collider, or export file.
+Declared as named constants. Every gate **recomputes** its value from the
+mesh, materials, UVs, evaluated LOD, collider or export file.
 
 | Axis | Declared | Measured (4.5.11 / 5.1.2 / 5.2.1) |
 | --- | --- | --- |
-| Base triangles | 1400–1700 | 1528 / 1528 / 1528 |
+| Base triangles | 1800–2250 | 2004 / 2004 / 2004 |
 | LOD1 ratio | 0.32–0.62 of base | 0.5000 / 0.5000 / 0.5000 |
-| LOD2 ratio | 0.10–0.35 of base | 0.2199 / 0.2199 / 0.2199 |
-| Materials | exactly 4 distinct, ≥24 stone, ≥24 metal, ≥8 flame | 4 slots, 540 stone, 228 metal, 78 flame |
+| LOD2 ratio | 0.10–0.35 of base | 0.2196 / 0.2196 / 0.2196 |
+| Materials | exactly 5 distinct; ≥24 stone, ≥24 metal, ≥8 flame, ≥10 pitch | 5 slots; 540 stone, 318 metal, 50 wood, 180 flame, 60 pitch |
 | UVs | in `0..1`, AABB overlap ≤ 1e-5 | in range, overlap 0 |
-| Outer AABB | (0.304, 0.293, 0.424) m ± 0.015 | (0.3040, 0.2930, 0.4240), zmin 0 |
-| Collider tris | ≤ 180 | 60 |
-| Export | written, size > 0 | 124608 / 124608 / 124584 bytes |
-
-Base triangles rose from **848 to 1528** in the quality pass: one
-mailbox slab became four courses of running-bond ashlar plus a round
-arm and a triangulated bowl. Outer AABB tightened from 0.384 × 0.360 ×
-0.670 m (and zmin 0.140) to 0.304 × 0.293 × 0.424 m at zmin 0.
-
-DECIMATE COLLAPSE triangle counts are **not** identical across series.
-The gate is a ratio band, not an exact count. Bake pixels are
-stochastic; the gate is `has_data` plus operator `FINISHED`, not
-byte-identity. Construction uses no RNG. Export byte counts differ by
-24 B on 5.2.1 (glTF serializer), not a gated axis.
+| Outer AABB | (0.304, 0.322, 0.485) m ± 0.015 | (0.3040, 0.3218, 0.4845), zmin 0 |
+| Collider tris | ≤ 180 | 116 |
+| Export | written, size > 0 | 164408 / 164408 / 164384 bytes |
+
+Base triangles rose from **1528 to 2004** in the second quality pass, and the
+band moved from 1400–1700 to 1800–2250. The solid cup became an open, walled
+cup with a drip boss. The 26 mm haft stub became a 0.20 m haft with a wrap.
+The three flame cones became lathed teardrops. The envelope grew from
+0.293 m to 0.322 m in depth and from 0.424 m to 0.485 m in height, because
+the torch now stands up out of its cup.
+
+DECIMATE COLLAPSE triangle counts are **not** identical across series. The
+gate is a ratio band, not an exact count. Bake pixels are stochastic; the
+gate is `has_data` plus operator `FINISHED`, not byte-identity. Construction
+is closed-form and stone tones are seeded, so repeated runs on one binary
+print identical measurements. Export byte counts differ by 24 B on 5.2.1
+(glTF serializer), not a gated axis.
 
 ### Hygiene
 
@@ -68,31 +75,41 @@ Recomputed from the generated mesh, not asserted about the script.
 | Coplanar disjoint face pairs | 0 | 0 |
 | Grounded: `zmin` | within 1e-4 of 0 | 0.0000 |
 
-### Joint fit and plaque size
+### Joint fit, seat and bake
 
 | Axis | Declared | Measured (all three) |
 | --- | --- | --- |
-| Arm-to-cup BVH gap | ≤ 0.008 m | 0.00087 |
-| Plate-to-plaque BVH gap | ≤ 0.008 m | 0.00400 |
+| Arm-to-cup BVH gap | ≤ 0.008 m | 0.00007 |
+| Plate-to-stone BVH gap | ≤ 0.008 m | 0.00057 |
 | Plaque width vs `WALL_W` | ± 0.04 m | 0.2800 vs 0.280 |
+| Arm level (exit 20): the arm shell's long axis against horizontal | ≤ 1.0° | 0.000° |
+| Plate seat (exit 21): plate front proud of the facing stones / plate back into their face | ≥ 0.008 m / 0.001–0.005 m | 0.01300 / 0.00300 |
+| Bake texel density (exit 22): smallest UV cell in baked texels | ≥ 12 px | 27.71 px (1024 px bake) |
+
+The plate-to-stone gap is measured to any stone shell. The plate is bolted to
+the face of the stones, not to the backing slab behind them, as it was in the
+first build.
 
 ### Falsifiers
 
-Each violates one named budget. All were run on 4.5.11, 5.1.2 and 5.2.1
-and returned the same code on each.
+Each violates one named budget. All were run on 4.5.11, 5.1.2 and 5.2.1 and
+returned the same code on each.
 
 | Flag | Budget violated | Exit |
 | --- | --- | --- |
 | `--skip-decimate` | LOD1 ratio band | 9 |
 | `--stray-vert` | loose vertex count is 0 | 15 |
 | `--lift-z` | bounding box `zmin` is 0 | 16 |
 | `--float-arm` | arm-to-cup BVH gap | 17 |
-| `--float-plate` | plate-to-plaque BVH gap | 18 |
+| `--float-plate` | plate-to-stone BVH gap (measured 0.07700) | 18 |
 | `--skinny-plaque` | plaque width vs `WALL_W` | 19 |
+| `--droop-arm` | arm level (the old 20 mm drop; measured 9.580°) | 20 |
+| `--sink-plate` | plate seat (the first build's seat; measured proud −0.00400, seat 0.02000) | 21 |
+| `--low-bake` | bake texel density (256 px bake; measured 6.93 px) | 22 |
 
-`--float-arm` shortens the tube to 55 % of the plate-to-cup station
-vector; the cup stays put. `--float-plate` moves only the hang plate
-off the plaque; the arm still reaches the cup so 17 still passes.
+`--float-arm` shortens the tube to 55 % of the plate-to-cup station vector,
+and the cup stays put. `--float-plate` moves only the plate off the stones;
+the arm root stays at the seated plate, so 17 still passes.
 `--skinny-plaque` scales the back plaque and courses to 0.55 · `WALL_W`.
 
 ## Run
@@ -105,6 +122,9 @@ blender --background --python wall_torch.py -- --lift-z
 blender --background --python wall_torch.py -- --float-arm
 blender --background --python wall_torch.py -- --float-plate
 blender --background --python wall_torch.py -- --skinny-plaque
+blender --background --python wall_torch.py -- --droop-arm
+blender --background --python wall_torch.py -- --sink-plate
+blender --background --python wall_torch.py -- --low-bake
 blender --background --python wall_torch.py -- --output torch.png
 ```
 
@@ -114,7 +134,7 @@ Smoke passes no flags.
 
 File-local. `9` is a valid check code. `10` is reserved for
 `gallery_framing.check_framing` on the `--output` path. `15`–`19` are the
-hygiene and joint-fit family.
+hygiene and joint-fit family. `20`–`22` are this piece's own.
 
 | Code | Meaning |
 | --- | --- |
@@ -123,7 +143,7 @@ hygiene and joint-fit family.
 | 2 | argparse / usage |
 | 3 | Mesh did not build / no UV layer |
 | 4 | Base triangle count outside range |
-| 5 | Material count ≠ 4 distinct slots, or stone/metal/flame faces missing |
+| 5 | Material count ≠ 5 distinct slots, or stone/metal/flame/pitch faces missing |
 | 6 | UVs outside 0..1 |
 | 7 | UV AABB overlap above tolerance |
 | 8 | World AABB off declared outer size |
@@ -136,5 +156,8 @@ hygiene and joint-fit family.
 | 15 | Hygiene (`--stray-vert` lands here) |
 | 16 | Grounded zmin (`--lift-z`) |
 | 17 | Arm-to-cup gap (`--float-arm`) |
-| 18 | Plate-to-plaque gap (`--float-plate`) |
+| 18 | Plate-to-stone gap (`--float-plate`) |
 | 19 | Plaque width (`--skinny-plaque`) |
+| 20 | Arm not level (`--droop-arm`) |
+| 21 | Plate not seated on the stone face (`--sink-plate`) |
+| 22 | Bake texel density below floor (`--low-bake`) |