original interpretation
Bay Bridge & ship wheel
Yokohama, Kanagawa, Japan
suspension bridge · ship wheel · port
ICUF-008 · street-level design study
Beautiful Manhole Covers Atlas
Twenty-four verified cover patterns, reduced to their visual grammar: radial rhythm, grids, and emblem-like centerpieces. Study the real design ideas, then spin them into geometry that belongs to nobody else.
Truth & safety boundary. Real designs are described from official municipal sources. The graphics on this page are original geometric interpretations, not photographs or copies. Locations stop at city or district context; this atlas gives no coordinates, opening directions, or infrastructure-access instructions.
01 · Pattern wheel
Compare composition families.
Radial repeats around a center. Grid organizes in bands, cells, or horizons. Emblem here means a dominant centerpiece, not a municipal emblem. The hybrid mode is ICU-only.
Choose a family or a cover below.
02 · Verified atlas
24 covers, without turning infrastructure into a destination map.
Every card has an official municipal source. “Original interpretation” thumbnails are intentionally non-documentary and may simplify motifs into circles, bands, petals, waves, or other neutral geometry.
original interpretation
Salmon & Clock Tower
Sapporo, Hokkaido, Japan
salmon · clock tower · river
original interpretation
Bird · yacht · city
Fukuoka, Japan
bird · yacht · cityscape
original interpretation
Civic Hall fan of pictograms
Fukuoka, Japan
civic activity pictograms · fan arrangement
original interpretation
Carp & maple cultural path
Hiroshima, Japan
carp · maple leaves · cultural path
original interpretation
Saigoku Highway procession
Hiroshima, Japan
historic highway · procession · streetscape
original interpretation
Kayoko Bus technical interior
Hiroshima, Japan
bus interior · technical drawing
original interpretation
Lotus ring, tern, keyaki & ripples
Chiba, Japan
Oga lotus · little tern · keyaki · water ripples
original interpretation
Monorail, lotus & port tower
Chiba, Japan
urban monorail · Oga lotus · Port Tower
original interpretation
Red panda & lotus border
Chiba, Japan
red panda · Oga lotus · tail border
original interpretation
Natsukawa fan & ancient lotus
Okayama, Japan · Natsukawa area
traditional fan · Oga lotus
original interpretation
White peach & muscat
Okayama, Japan
white peach · muscat grapes
original interpretation
Maple & river
Okayama, Japan · Mitsu area
maple · Ukai River
original interpretation
Oak & satsuki
Okayama, Japan · Nadasaki area
oak · satsuki azalea
original interpretation
Cherry, Asahi River & ayu
Okayama, Japan · Takebe area
cherry blossom · Asahi River · ayu fish
original interpretation
Chrysanthemum field
Okayama, Japan
chrysanthemum
original interpretation
Mountain-waves, ship & airplane
Kobe, Japan
mountains as waves · ship · airplane
original interpretation
Harbor & dolphin
Kobe, Japan
harbor · dolphin
original interpretation
Living harbor ecosystem
Kobe, Japan
harbor · animals · nature
original interpretation
Tarumi sunset sea
Kobe, Japan · Tarumi
sunset · sea
original interpretation
Plum, river & ducks
Kobe, Japan · Higashinada
plum blossom · Sumiyoshi River · ducks
original interpretation
Sea, bridge, kofun & ikanago
Kobe, Japan · Tarumi
sea · bridge · kofun · ikanago fish
original interpretation
Maya Mountain, ropeway & marigold
Kobe, Japan · Nada
Maya Mountain · ropeway · marigold
original interpretation
Minatogawa Tunnel & cherry
Kobe, Japan · Hyogo Ward
Minatogawa Tunnel · cherry blossom
03 · Pattern detail
Separate evidence from interpretation.
The selected record keeps five fields explicit: cover, motif, city context, photographer/rights status, and ICU interpretation.
Selected cover
Choose a cover from the atlas.
- City context
- City or district only.
- Motif
- —
- Verification
- Open a “Study pattern” control to load the source-backed summary.
- Photographer / rights
- No documentary image is bundled; no photographer credit is claimed. Official pages are referenced for facts only.
- Interpretation
- ICU geometry is original and intentionally does not reproduce municipal marks, logos, characters, photographs, or the documented cover artwork.
Source metadata appears here.
04 · Source ledger
Official pages, item-level review.
These pages establish the real design subjects and context. No source photographs were downloaded or redistributed in this task.
Documentary source
City of Yokohama
designmanhole / Bay Bridge · updated 2026-04-01 · reviewed 2026-09-12
Documentary source
City of Sapporo
designmanhole / Salmon and Clock Tower · updated 2026-07 · reviewed 2026-09-12
Documentary source
City of Fukuoka
manhole design · updated 2025-03-31 · reviewed 2026-09-12
Documentary source
City of Hiroshima
page 1034043 · updated 2025-02-24 · reviewed 2026-09-12
Documentary source
City of Hiroshima
page 1005732 · updated 2025-02-16 · reviewed 2026-09-12
Documentary source
City of Hiroshima
page 1032938 · updated 2025-02-19 · reviewed 2026-09-12
Documentary source
City of Chiba
citysymbolmanhole · updated 2026-02-09 · reviewed 2026-09-12
Documentary source
City of Chiba
designmanhole2412 · updated 2026-03-10 · reviewed 2026-09-12
Documentary source
City of Okayama
ID 17175 · updated 2017-09-26 · reviewed 2026-09-12
Documentary source
City of Kobe
page ID 2421 · updated 2026-05-28 · reviewed 2026-09-12
Export boundary: the SVG exporter serializes only ICU-generated geometry. It never embeds source images, city seals, team marks, characters, or exact documented cover art.