Century 1954 Postwar — Decade 4: Henry Sr Bramble christened on the village green; the swing big-band leitmotif voicing carries; we made this for you twist card at 5min; brimsworth_century_v1.year:1954 written

A 3D BRIMSWORTH CENTURY demo: Decade 4 of 12. Postwar Brimsworth 1954. Village fete + christening on the village green. Henry Sr Bramble (b. 1954) is christened — Generation 3 begins. The same 4-note C-E-G-C wedding leitmotif from 1924 reappears in 1954 SWING BIG-BAND voicing — brushed snare + big-band brass — the FOURTH voicing in the century's evolving music tree. At 5min mid-cycle twist: a 'we made this for you' card lifts to the new generation. Like Pixar UP postwar montage + cozy English country fete + Studio Ghibli pastoral postwar — but with a 1924-FOUNDING-CALLBACK in every chyron.

Try it live → Source on GitHub

Built with: three.js r0.160 (single file)Mr Pemberton I (G0) + Henry Senior 30 + Margaret Sr 26 + baby Henry Sr Bramble 0 (G3) + 30 named + 260 procedurallocalStorage Century 1954 + brimsworth_century_v1 INCREMENT

#threejs#brimsworth-century#autoplay

## What this is A 3D recreation of Decade 4 of 12 — postwar Brimsworth 1954. Henry Sr Bramble (b. 1954) is christened on the village green; Generation 3 begins. 37 director cameras, 290 named entities. The C-E-G-C wedding leitmotif reappears in swing big-band voicing as the FOURTH of 11 decade variations.

Prompt

Build a single-file HTML page that recreates "Decade 4 of 12: postwar Brimsworth 1954 + christening of Henry Sr Bramble" as a continuous 3D autoplay world.

Hard constraints:
- One HTML file, < 200KB. three.js r0.160 IIFE strict
- First body line: <!-- ROUND23_CENTURY v1 -->
- localStorage `century_1954_v1`. Reseed every ~10 min. Read+increment brimsworth_century_v1 to year:1954, generation:'gen2_active'.

Tone: SUNNY-POSTWAR, CHRISTENING-WARMTH, ALL FICTIONAL.

Paste this into Claude, Cursor, or Copilot. Change one thing that matters to you.

Build a single-file HTML page that recreates "Decade 4 of 12: postwar Brimsworth 1954 + christening of Henry Sr Bramble" as a continuous 3D autoplay world.

Hard constraints:
- One HTML file, < 200KB. three.js r0.160 IIFE strict
- First body line: <!-- ROUND23_CENTURY v1 -->
- localStorage `century_1954_v1`. Reseed every ~10 min. Read+increment brimsworth_century_v1 to year:1954, generation:'gen2_active'.

Tone: SUNNY-POSTWAR, CHRISTENING-WARMTH, ALL FICTIONAL.

What I learned shipping it

How to christen a Generation-3 baby on a village green and write the lineage to a localStorage ledger
How to evolve a wedding leitmotif into a swing big-band voicing as the FOURTH voicing in an 11-decade music tree
How to render a postwar 1954 village fete with brushed-snare big-band audio in three.js r0.160 IIFE strict under 200KB