A web-page hero section with a rendered 3D arrangement of brand-colored objects, based on a project's DESIGN.md file. The headline remains ordinary page text, while the desktop scene responds to cursor movement and clicks.

Use it to build a first-screen hero for a website, including a studio-style scene, responsive object pile, poster fallback, and readable headline layout.

It turns existing design tokens, such as colors and corner shapes, into a consistent visual centerpiece instead of using a generic 3D object. It also keeps the headline separate from the interactive artwork.

omd-3d-hero — Skill for Claude Code by kwakseongjae/oh-my-design

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add kwakseongjae/oh-my-design --skill omd-3d-hero

Clone the repo

git clone --depth 1 https://github.com/kwakseongjae/oh-my-design

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/kwakseongjae/oh-my-design/omd-3d-hero/github.svg)](https://agentmods.dev/skills/kwakseongjae/oh-my-design/omd-3d-hero)

Your own site

<a href="https://agentmods.dev/skills/kwakseongjae/oh-my-design/omd-3d-hero"><img src="https://agentmods.dev/badge/skills/kwakseongjae/oh-my-design/omd-3d-hero/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/kwakseongjae/oh-my-design/omd-3d-hero"><img src="https://agentmods.dev/badge/skills/kwakseongjae/oh-my-design/omd-3d-hero.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 342 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 5,113 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00342	$0.05113
Opus 5.5	$0.00137	$0.02045
Sonnet 5.5	$0.00068	$0.01023
Haiku 4.5	$0.00034	$0.00511

Measured today against content hash 7f5fa6ccdb07, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

omd-3d-hero scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

The scan reads SKILL.md. This mod also ships 6 executable files (engines/blender/scene.py, engines/three/pile.js, engines/three/scene.js, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/omd-3d-hero/SKILL.md · 145 lines

How it starts

The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.

omd-3d-hero — a rendered first screen, from DESIGN.md

Most "3D hero" output is a floating torus on a purple gradient. This skill does one thing instead: a studio set lit like a Blender clay render — a seamless cyclorama, soft key light, contact shadows, ambient occlusion — with a floating pile of objects in the brand's own colors, shaped by the brand's own radius tokens (pill buttons → capsules and spheres, 16px corners → rounded cubes) and seeded by the brand color, so every DESIGN.md gets its own arrangement. On desktop the pile is alive: it drifts, the cursor pushes through it, a click scatters it and it gathers again, and setSpec() morphs it into another brand. The headline stays real text on clean backdrop to the left; no object can cross into that column, and contrast is measured on the worst frame, including during interaction.

One spec, two engines. scripts/spec.mjs turns DESIGN.md into a scene spec. The same spec drives:

Branch	When	What it ships	Cost
`three` (default)	always available	poster (baked from the live scene) + the live, interactive scene on desktop	[email protected] + addons + scene: ~229 KiB gzip from the CDN, ~150 KiB bundled; 8.3 ms median frame with AO on Apple M5 Pro (upper bound)
`blender`	Blender ≥ 4.2 on the machine (`scripts/blender.mjs` finds it)	Cycles poster + an 8 s EEVEE loop (`loop.webm` / `loop.mp4`) of the same pile, gently bobbing	no runtime JS for the scene; video 71–208 KiB at 1280px

Both branches use the same HTML template, the same poster rule and the same verify script. Interaction (pointer, scatter, brand switch) is three.js only; the Blender branch renders the same settled pile, so its poster matches the three.js poster object for object. The Blender branch runs Blender headless from the CLI (blender -b -P), never through an MCP server: no live session, no model-written Python executed inside Blender.

Working files: examples/hero.html (template), engines/three/scene.js + engines/three/pile.js (the simulation, also run by spec.mjs in Node), engines/blender/scene.py, scripts/spec.mjs, scripts/blender.mjs, scripts/verify.mjs.

Read the full file on GitHub · 145 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

today First seen · 145 lines · 342 tokens per session scan A 7f5fa6ccdb07

Subscribe to this mod's changes

omd-3d-hero is a skill published in the GitHub repository kwakseongjae/oh-my-design (573 stars, last pushed yesterday), licensed MIT. It adds 342 tokens to every session and 5,113 once invoked, about $0.0014 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-07.

CSS and styling Design and UX Frontend cli design-md design-system design-tokens google-stitch nextjs

omd-3d-hero next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
omd-3d-herokwakseongjae/oh-my-design	Skill	573	yesterday	MIT	A	342	Claude Code
designlang-tokensManavarya09/design-extract	Skill	4.8k	2d ago	MIT	A	30	Claude Code
use-design-mdCaesiumY/ko-design-md	Skill	75	5d ago	MIT	A	193	Claude Code
brandmdyuvrajangadsingh/brandmd	Skill	71	2d ago	MIT	A	41	Claude Code
design-engineeringbroomva/skills	Skill	5	today	MIT	A	231	Claude Code, Codex
extract-designManavarya09/design-extract	Skill	4.8k	2d ago	MIT	A	140	Claude Code
s2-docsadobe/spectrum-design-data	Skill	159	today	Apache-2.0	A	91	Claude Code