# Lookdev

> Look development loop for Blender assets combining materials, lighting, camera, and screenshot comparison until shading reads correctly via MCP.

- Skill: `arjun988/lookdev` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add arjun988/lookdev`
- Raw SKILL.md: https://api.skillmd.com/api/skills/arjun988/lookdev/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- License: MIT
- Author: arjun988 (https://skillmd.com/u/arjun988)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/arjun988/lookdev

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# Lookdev

Material + light + camera loop. Screenshot compare. Stop when it reads.

## When to Use

- Finalizing asset shading before export/portfolio
- Turntable / grey shader checks
- Matching material references
- Bridging `materials` and `lighting` intentionally

## Workflow

```
Clay/grey pass → Base materials → Neutral light rig
  → Beauty light → Screenshot → Gap list → Iterate (≤3–5)
  → Optional grade → QA
```

## Standard Rigs

| Rig | Use |
|-----|-----|
| Neutral 3-point | Evaluate materials fairly |
| HDRI studio | Product / character |
| In-situ scene lights | Final context |

Keep a reusable `COL_Lookdev_Lights` + `CAM_Lookdev_*`.

## Checklist

- [ ] Values read in grayscale
- [ ] Specular roughness believable
- [ ] Edges catch light (bevels/normals)
- [ ] Emissive under control
- [ ] No pure black / pure white traps unless stylized
- [ ] Matches reference palette if provided

## Iteration Rule

Each pass: change one major variable (material OR light OR camera), then screenshot.

## Constraints

### MUST DO
- Grey pass before fancy textures when forms unsure
- Capture screenshots each iteration
- Hand off to `qa-review` before ship

### MUST NOT DO
- Fix modeling problems only with roughness maps
- Infinite tweak loops without gap list

## Reference Guide

| Topic | Reference | Load When |
|-------|-----------|----------|
| Lookdev Rig | `references/lookdev-rig.md` | When needed |
| Lookdev Checklist | `references/lookdev-checklist.md` | When needed |