Home / max-786 / claude-3d-harness · library/cc/blender-lighting/SKILL.md · GitHub

blender-lighting skillA

blender-lighting is agent-read markdown (skill) from max-786/claude-3d-harness: Light Blender scenes professionally — three-point setups, HDRI environments, studio/cinematic/dramatic configurations, light groups, color temperature, soft vs hard shadows. Use whenever the user asks to "light the scene", "set up lighting", "make it look cinematic / dramatic / studio / outdoor / sunset", "add a key light", "use HDRI", or any lighting-related request. Make sure to use this skill even if the user does not say "light" — also covers "make it look professional", "studio shot", "mood.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# Blender Lighting

Light scenes the way pros do: with structure, intent, and physically reasonable values.

## The five light types

| Type | Behavior | Use for |
|------|----------|---------|
| **AREA** | Light from a rectangular surface; soft shadows automatic | 80% of cases. Window, softbox, fluorescent panel |
| **SUN** | Parallel rays from "infinity" | Sunlight, moonlight, distant directional |
| **POINT** | Omnidirectional from a point | Bulbs, candles, small omnis |
| **SPOT** | Cone with falloff | Stage lights, headlights, focused beams |
| **HDRI/World** | 360° environment image | Realistic ambient, outdoor, product photography |

**Default rule**: Use **Area lights** for almost everything except the sun. Soft shadows come for free.

## Decision tree

```
What's the mood?
├── Studio / commercial → Three-point lighting (key+fill+rim) + HDRI fill 0.3
├── Outdoor / sunlit → Sun + HDRI sky environment
├── Indoor cinematic → Sun through window + HDRI low + practicals (lamps as Point)
├── Dramatic / noir → Single Spot at high angle, no fill
├── Stylized / cartoon → Three-point with high contrast + saturated key color
…

Read the whole file at its exact version.

How to install

Latest version
mdr add max-786/claude-3d-harness/blender-lighting@git:20260921.d4bf893
Exact content
mdr add max-786/claude-3d-harness/blender-lighting@sha256:62e7c2ce61f97c0a

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

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Versions

versioncommittedcommitsizeaudit
git:20260921.d4bf893 latest2026-09-21 d4bf893 21,393 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (21393 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

max-786/claude-3d-harness · 6 stars · license MIT · pushed 2026-09-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_3ohxxjpf6hizucx4
GET https://markdownregistry.com/api/v1/resolve?ref=max-786/claude-3d-harness/blender-lighting
GET https://markdownregistry.com/api/v1/blob/62e7c2ce61f97c0aa9e760e6b31492e4a9af542b99b26ddb8aef3064db3f3ef7

Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

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