@@ -20,35 +20,58 @@ from edge to edge.
   the slope 0.055 m and the cap 0.028 m, the proportions of the real column
   (the cliff about two thirds of the relief, the cap a few percent). The beds
   run flush where they can; a ledge opens only where a strong bed sits on a
-  weak one. Vertical joints cut into every face, black desert varnish hangs
-  down the cliffs in curtains, and the caps' tops are bare slabs parted by
-  joints with red sand drifted in the hollows.
+  weak one. Every bed stands as its own rounded band: its face rounds back
+  over the outer fifth of its thickness into a parting 2.3–3.6 mm deep
+  at each bedding plane, so the cliff reads in horizontal strata, the way the
+  plateau's walls do. Each bed carries its own colour, level and continuous
+  round every formation: maroon at the foot where it grades from the Organ
+  Rock, then red-orange, salmon, a pale cream bed, deep red, orange, and a
+  bleached top, each with a dark seam at its parting and a few thin pale
+  laminae. Vertical joints cut into every face but open and close up it (their
+  depth swings between 45% and 100% from height to height), so they never
+  read as one unbroken flute. Desert varnish hangs from the rim and the
+  ledges in a few thin dark streaks, densest high up and fading down the
+  cliff. The Moenkopi slope is red-brown shale in thin beds, a few of them
+  grey-green; the caprock's face is a dark, thinly bedded grey-brown ledge.
+  The caps' tops are weathered slickrock: pale grey-buff where bare, red sand
+  blown over the rest in soft-edged drifts, darker pans where rain stands.
 - **The formations.** Two mesas at the back, a canyon between their walls;
   a butte in front, taller than it is wide; a spire that stands to the top
-  of the cliff sandstone, its cap long gone, narrowing to its top. Each sits
-  on its own apron and runs 35 mm into it.
+  of the cliff sandstone, its cap long gone, worn to a totem: its girth
+  narrows fast off the talus (to 58% of its foot's at a fifth of its
+  height), then slowly up a slender shaft, its hardest bed left as a
+  swelling knob under a 34% top, and every parting cut into it. Each
+  formation sits on its own apron and runs 35 mm into it.
 - **The aprons.** Talus at the angle of repose: 35.0° at the cliff's foot
   easing to 31.0° at the toe, the concave profile scree takes (measured
   talus steepens upslope from 31–34° to 35–37°:
   [Wikipedia, Scree](https://en.wikipedia.org/wiki/Scree);
   [angle of repose](https://en.wikipedia.org/wiki/Angle_of_repose)),
-  then easing into the floor. Shale under grey and buff rubble, scored by
-  rills.
+  then easing into the floor. Scree in the cliffs' own colours: angular
+  fragments of every bed packed with dark gaps between them, coarser pieces
+  among the fine, a few grey caprock chips, chutes of paler debris, and the
+  Organ Rock's banded red-brown shale showing through just under the bench.
 - **The wash.** It enters at the back edge, runs down the canyon between
   the mesas and out across the valley between the butte and the spire, and
   leaves by the front edge, falling 22.5 mm the whole way and never rising.
   Its bed is read off the floor along its line, held falling, and cut 8 mm
   under it; a ribbon of buff sand lies on it, rippled across the flow, with
   gravel bars and cracked mud, its edges run under the banks. On a map, the
   wash carries on into the next tile.
-- **Scatter.** 34 fallen blocks on the aprons and at their toes, squared off
-  by bedding and joint planes, sealed into the talus and held apart. Utah
-  junipers and sage scrub on the floor and the mesa tops; six cottonwoods
-  turning gold on the wash's banks.
+- **Scatter.** 60 fallen blocks on the aprons and at their toes, cut
+  angular by bedding and joint planes and hard-edged, the biggest rolled
+  furthest out, sealed into the talus and held apart. Utah junipers and
+  pinyon as low, broad, lopsided crowns of five dense clumps on short
+  leaning stems, sweeping nearly to the sand; 118 low scrub cushions, big
+  sagebrush silver grey-green with about one in three on the floor rubber
+  rabbitbrush going olive-gold; six cottonwoods turning gold on the wash's
+  banks.
 
 The tile's colour reads the way a map does: red sand, darker hardpan and
-pale blown sheets on the floor, black desert pavement in patches, the aprons
-rubble, the cliffs red-orange and varnished, the caps grey-brown.
+pale blown sheets and broad swings from deep terracotta to apricot on the
+floor, black desert pavement in patches, the aprons scree in the wall's
+colours, the cliffs banded and lightly varnished, the caps weathered grey
+slickrock under red sand.
 
 Every seeded draw comes from `random.Random(SEED)` in `plan_scene()`, before
 anything is built: where each block and plant stands and its size, tone and
@@ -61,10 +84,14 @@ rings at one height making a ledge, a flat top in concentric rings, a fan
 underneath. Its outline is a turned superellipse with a few harmonics; the
 apron is a closed-form function of the distance from that outline, so its
 slope is the profile's own. Blocks, trunks, crowns and scrub landing in
-another shell's plane turn 3° about their lowest point.
-
-Ground is smooth-shaded with a 50° crease and the rock with 40°, so the
-ledges, the cap's overhang and the skirt stay crisp. Eight materials: desert
+another shell's plane turn 3° about their lowest point and sink 0.3 mm
+(one shell of each pair only: moving both alike would keep them coplanar);
+each scrub cushion also sinks up to 0.8 mm more than the last, so two on
+the level caprock never share their buried plane.
+
+Ground is smooth-shaded with a 50° crease, the cliffs with 40° and the
+fallen blocks with 24°, so the ledges, the cap's overhang, the blocks'
+broken faces and the skirt stay crisp. Eight materials: desert
 ground (sand, hardpan, pavement, aprons), cliff sandstone (De Chelly and the
 Moenkopi slope), caprock, wash sand, fallen blocks, bark, foliage (juniper,
 sage and cottonwood), tile plinth.
@@ -91,14 +118,23 @@ export file.
 
 | Axis | Declared | Measured (5.2.1) |
 | --- | --- | --- |
-| Base triangles | 113300–114500 | 113884 |
+| Base triangles | 127100–128300 | 127676 |
 | LOD1 ratio | 0.32–0.62 of base | 0.5000 |
 | LOD2 ratio | 0.10–0.35 of base | 0.2200 |
-| Materials | exactly 8 distinct; face floors ground ≥49660, sandstone ≥26390, caprock ≥10300, wash ≥4280, blocks ≥3560, bark ≥850, foliage ≥13030, plinth ≥1240 | 8 slots; 51200 / 27212 / 10620 / 4420 / 3672 / 884 / 13440 / 1280 |
+| Materials | exactly 8 distinct; face floors ground ≥49660, sandstone ≥33880, caprock ≥10300, wash ≥4280, blocks ≥6280, bark ≥850, foliage ≥16200, plinth ≥1240 | 8 slots; 51200 / 34932 / 10620 / 4420 / 6480 / 884 / 16704 / 1280 |
 | UVs | in `0..1`, AABB overlap ≤ 1e-5 | in range, overlap 0 |
-| Outer AABB | (2.4000, 2.4000, 0.6416) m ± 0.01 | (2.4000, 2.4000, 0.6416), zmin 0 |
+| Outer AABB | (2.4000, 2.4000, 0.6221) m ± 0.01 | (2.4000, 2.4000, 0.6221), zmin 0 |
 | Collider tris (five hulls) | ≤ 280 | 242 |
-| Export | written, size > 0, removed after measuring | 12034668 bytes |
+| Export | written, size > 0, removed after measuring | 13487784 bytes |
+
+The triangle band, the sandstone, block and foliage floors and the height
+were re-fitted when the formations and scatter were remodelled for
+legibility, not widened to pass: each bed gained a ring on every
+formation (its face now rounds into a parting top and bottom), the fallen blocks went from 34 to 60, the floor's scrub from
+56 to 84 cushions and each juniper's crown from four clumps to five; the
+junipers became low bushes, which dropped the tile's top (set by the
+mesa-top junipers) from 0.6416 to 0.6221 m. The band keeps its old width
+round the new count, the floors their old 97% of it.
 
 DECIMATE COLLAPSE triangle counts are not identical across Blender
 series, so the LOD gate is a ratio band, not an exact count. Bake pixels
@@ -138,11 +174,11 @@ is then made on the shell's geometry.
 | Formations sealed: every formation's foot (its bottom fan's rim) under the tile straight above it | ≥ 0.010 m, 4 formations | 0.0336–0.0340 |
 | Strata: per bedding plane, the heights of every formation's rings on it, spread across all formations; both canyon walls (the two mesas) carry every plane | ≤ 0.0005 m; 7 planes | 0.0000 m; planes at 0.172, 0.236, 0.290, 0.346, 0.400 (on all four), 0.455, 0.483 (on the three capped) |
 | Caprock flat: each cap's top, the spread of its heights and its faces' tilt | ≤ 0.0005 m, ≤ 0.2°; 3 tops | 0.0000 m, 0.000° |
-| Talus: every tile face whose corners lie in an apron's straight run, its slope | 30–37° (angle of repose); ≥ 1500 faces | 30.81–36.33°, median 32.86° (6913 faces) |
+| Talus: every tile face whose corners lie in an apron's straight run, its slope | 30–37° (angle of repose); ≥ 1500 faces | 30.78–36.19°, median 32.86° (7006 faces) |
 | Wash: along its centre lane, the largest rise from one row to the next; its whole fall; its ends in from the back and front edges; the banks over its side lanes | rise ≤ 1e-6 m, falls; ends ≤ 0.010 m; banks ≥ 0.003 m | rise 0.0000, fall 0.0225 m over 316 rows; ends 0.0040 / 0.0078 m; banks 0.0033 m |
-| Blocks sealed: per block, in each sector holding a vertex, its most-buried vertex under the ground | ≥ 0.003 m, 34 blocks | worst 0.0040 |
+| Blocks sealed: per block, in each sector holding a vertex, its most-buried vertex under the ground | ≥ 0.003 m, 60 blocks | worst 0.0040 |
 | Blocks apart: pairs of blocks whose BVH trees overlap | 0 | 0 |
-| Plants rooted: every trunk's foot (its bottom cap) under the ground or the cap straight above each corner; every scrub cushion, per sector, its most-buried vertex | trunks 0.004–0.050 m, 46 trunks; scrub ≥ 0.003 m, 90 cushions | 0.0091–0.0100; worst 0.0040 |
+| Plants rooted: every trunk's foot (its bottom cap) under the ground or the cap straight above each corner; every scrub cushion, per sector, its most-buried vertex | trunks 0.004–0.050 m, 46 trunks; scrub ≥ 0.003 m, 118 cushions | 0.0090–0.0101; worst 0.0040 |
 
 The talus check excludes where one apron's straight run is not alone: where
 two aprons meet in the canyon, where the floor or the dunes rise to meet the
@@ -153,8 +189,10 @@ little steeper than the cone itself.
 ## Falsifiers
 
 Each falsifier violates one named budget. Every one was run on 5.2.1 and
-exited its declared code. The envelope was unchanged in every run, and the
-triangle count in every run but `--perch-butte` (113628: the butte loses a
+exited its declared code. The envelope's size was unchanged in every run
+but `--dome-cap` (0.6312 m tall, its domed caps now above the mesa-top
+junipers; inside the 0.01 m tolerance, so exit 8 never fires first), and the
+triangle count in every run but `--perch-butte` (127420: the butte loses a
 ring).
 
 | Flag | Budget violated | Exit |
@@ -163,13 +201,13 @@ ring).
 | `--stray-vert` | loose vertex count is 0 (measured 1) | 15 |
 | `--lift-z` | bounding box `zmin` is 0 (measured 0.05000) | 16 |
 | `--perch-butte` | formations sealed (the butte's foot stood 8 mm over its bench instead of run into it: −0.0092 m) | 17 |
-| `--tilt-beds` | strata (the east mesa dipped 0.04 m per metre: plane 1 spread 0.02595 m across the formations) | 18 |
-| `--dome-cap` | caprock flat (the caps' middles raised 12 mm: spread 0.01200 m, tilt 12.131°) | 19 |
-| `--steep-talus` | talus (the aprons piled at 46°–42°: 41.98–47.44°) | 20 |
+| `--tilt-beds` | strata (the east mesa dipped 0.04 m per metre: plane 1 spread 0.02596 m across the formations) | 18 |
+| `--dome-cap` | caprock flat (the caps' middles raised 12 mm: spread 0.01200 m, tilt 10.007°) | 19 |
+| `--steep-talus` | talus (the aprons piled at 46°–42°: 42.09–47.29°) | 20 |
 | `--uphill-wash` | wash (a 20 mm swell raised mid-course: rises 0.00171 m between rows, its edges out of the banks) | 21 |
-| `--perch-rock` | blocks sealed (each block seated against the ground at its centre alone: −0.0243 m) | 22 |
+| `--perch-rock` | blocks sealed (each block seated against the ground at its centre alone: −0.0245 m) | 22 |
 | `--pile-rocks` | blocks apart (two blocks dropped against the one lying furthest out: 5 pairs overlap) | 23 |
-| `--float-plants` | plants rooted (the floor's plants raised 30 mm: feet −0.0209 m, scrub −0.0260 m) | 24 |
+| `--float-plants` | plants rooted (the floor's plants raised 30 mm: feet −0.0210 m, scrub −0.0260 m) | 24 |
 
 `--perch-butte` replaces the butte's two lowest rings with one standing on
 the bench, so the cliff and everything over it stay where they were.
@@ -200,11 +238,13 @@ Smoke passes no flags.
 The hero does not turn the piece (`HERO_YAW_DEG` 0) and looks down on the
 tile from the front, 12° to the left and 33° over it, the way a map tile is
 seen on a game board: the wash runs at the camera, the mesas stand behind
-it with the canyon between them. A low, warm key from the left, late in the
+it with the canyon between them, their strata reading level and unbroken
+across it, the butte and the banded totem spire in front on their scree
+aprons. A low, warm key from the left, late in the
 day, lights the cliffs on that side and throws each formation's shadow
 across the floor; the warm wedge drops its pool on the floor off to the
 left. Framing measures fill x 0.700, y 0.817, margins left 0.194, right
-0.106, bottom 0.028, top 0.156; the asset-quality floors pass. The tile is a
+0.106, bottom 0.033, top 0.150; the asset-quality floors pass. The tile is a
 red desert filling most of the frame, so its saturation (0.36) runs above
 the calibration set's (0.15–0.24); its stage (0.234) sits inside theirs.