An expressive wooden letter crosses editable stepping stones to complete your exact word. Each uppercase letter has a stable tile identity and target word slot. One chosen traveler follows the authored stepping-stone path with a hop, expression changes and attached limbs, then settles into its exact final slot beside the other letters. Optional new music can be quoted through PopNow after the picture is approved.

Uses PopNow for
Music & voice
Needs
Node.js · FFmpeg · Chrome · Python 3

Generation is optional when you have suitable input material.

v1.0.0 · Updated Oct 26, 2026 · 133 KB · Use it for personal and client work; please don't resell or share the package.

What you get

  1. A 20-second native landscape or portrait MP4 and editable composition.

  2. Each uppercase letter has a stable tile identity and target word slot. One chosen traveler follows the authored stepping-stone path with a hop, expression changes and attached limbs, then settles into its exact final slot beside the other letters.

  3. A poster, contact sheet and local render receipt.

Good for

  • Personalized word greetings
  • Short stories about belonging and teamwork

Not for

  • The font and validator support uppercase ASCII words of three to six letters. This is an authored hopping rig, not general walking physics or arbitrary character retargeting.
  • No general font replacement, speech animation or automatic translation of the word is provided.

How it works

Includes a local renderer

  1. Choose the missing letter

    Set the exact word and traveler index, then arrange a readable path of footholds.

  2. Stage the reunion

    Follow the tile through its hops and changes of expression while preserving its letter and target position.

  3. Read the ending

    Inspect the footprints, attached limbs and final spelling in both native layouts. The final word should hold long enough to read.

How the workflow runs

How Letter Creature Story works

Each uppercase letter has a stable tile identity and target word slot. One chosen traveler follows the authored stepping-stone path with a hop, expression changes and attached limbs, then settles into its exact final slot beside the other letters.

What's inside the skill

What you can change

  • word: 3–6 uppercase ASCII letters; travelerIndex selects the moving character.
  • stones: 3–6 increasing horizontal footholds with heights from 0.65 to 0.85.
  • title: a short opening line; aspect chooses independently rendered horizontal or vertical framing.

What to review before delivery

  • The validator rejects unsupported characters, an invalid traveler index and unordered stones.
  • The domain test checks exact final slot coordinates and changes both traveler and word structure.
  • Manually inspect foot contact, eyes and letter readability through every hop.

See the package files

These are selected working files from this edition, with their actual role. The complete download also contains instructions and applicable license notices.

  • The scene model, input validation and actual animation.

    scripts/composition.mjs
  • A complete working scene brief.

    examples/project.json
  • Protected project assembly and external HyperFrames export.

    scripts/render.mjs
  • Supported controls, asset placement and limits.

    references/inputs.md

Why use this skill

Start with this package

Exact typography, a character rig and a route-to-slot model are already linked. Unlike a generated talking-object clip, changing the word preserves controlled spelling and a deterministic final arrangement.

What PopNow adds

Use PopNow for the missing Music & voice in this workflow. Keep adequate material you already own, then bring new assets back into the editing and assembly steps described here.

Compare the options

A prompt, your own skill, or this workflow?

Start with a prompt

Your agent can create from a plain request. The brief, visual rules, asset choices, output format and review process still need to be established for that project.

Write your own skill

You choose and maintain the reusable instructions, defaults, file structure and checks. This is useful when your process needs different rules or integrations.

A workflow created for PopNow

This workflow was built for PopNow. Its source files, included dependencies and applicable notices are part of the package; the scope described below belongs to this edition.

Guide reviewed Oct 25, 2026

What will this cost?

The supplied scene renders locally without generated media. A new music or ambience bed is optional and requires its own PopNow quote and approval; sufficient owned audio can be reused. Local rendering still uses your computer and installed tools.

Generation is optional when you have suitable input material. Free skill. New media is quoted before it runs.

The skill package

Free to install under your account's download allowance. The package license covers your own and client work; redistribution is excluded.

Existing assets and local work

Reusing suitable assets, editing files and running local assembly do not call a PopNow generation model. Your computer and any required runtime still do the work.

New AI images, clips or sound

Quoted for the actual model, inputs, count, duration and resolution. Extra alternatives, revisions or optional enhancement passes can add generation requests.

Your agent and hosting

Any subscription, hosted computer, deployment or other provider fee belongs to that service. Installing this skill does not include those services.

Check the cost of your version first

Your assistant can inspect the available models and quote the exact request first. You choose which optional passes to include and approve spending before generation.

Ask your assistant

  • Use the PopNow skill "Letter Creature Story" for my project. List the inputs you can reuse, quote only the missing media, show the quoted total and flag any unpriced steps. Separate optional enhancements, and wait for my approval before starting anything paid.

How PopNow billing works

Connections using a PopNow API key, including API-key MCP connections, spend from the separate API balance in USD. A ChatGPT or Claude connection authorized through OAuth spends website credits. These balances are separate; the quote shown by your connection is the approval basis.

Download allowances and current account conditions apply. A free package does not mean unlimited free generation.

How to use it

You say

  • Use the PopNow skill "Letter Creature Story" (letter-creature-story) for this: Make the E in HOME cross three stepping stones and return to its exact word slot. Then make H the traveler and compare the two routes. Quote any optional new media first.

Then try

  • Change the word to LIGHT and select the final letter as traveler.

  • Move the middle stone higher and inspect the landing in portrait.

What to have ready

  • Node.js 22.12+, the pinned dependencies, Chrome and FFmpeg.
  • A short original story and the documented JSON inputs.
  • The new film examples use ASCII text. Accents and other scripts need a suitable font plus input and layout adjustments.

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Questions

Will the final word keep the letters I supplied?

Yes. The renderer uses the exact supported word and assigns each tile its own final slot; it does not ask a generation model to spell it.

Can any letter be the traveler?

Yes. travelerIndex selects one of the supplied word’s letters. The target slot and route endpoint change with that selection.

Can I use long words or other writing systems?

Not in this version. Inputs are limited to three to six uppercase ASCII letters to keep the bundled rig and layout readable.

What is already packaged in Letter Creature Story?

The scene model, input validation and actual animation. A complete working scene brief. Protected project assembly and external HyperFrames export. Supported controls, asset placement and limits.

Which parts of Letter Creature Story can add a charge?

The supplied scene renders locally without generated media. A new music or ambience bed is optional and requires its own PopNow quote and approval; sufficient owned audio can be reused. Local rendering still uses your computer and installed tools. Connections using a PopNow API key, including API-key MCP connections, spend from the separate API balance in USD. A ChatGPT or Claude connection authorized through OAuth spends website credits. These balances are separate; the quote shown by your connection is the approval basis.

How does Letter Creature Story differ from writing a prompt or my own skill?

Exact typography, a character rig and a route-to-slot model are already linked. Unlike a generated talking-object clip, changing the word preserves controlled spelling and a deterministic final arrangement.