multiview-constraint-solver

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Determine whether front/side/back/top reference templates can be satisfied by one rigid 3D Blender model, choose a canonical source policy, and emit constraints before rebuilding. Use when multiview bboxes, silhouettes, part counts, or depth ratios contradict each other.

5installs

Sourceroble3/cc-blender-skill

Added on2026-10-10

NPX Install

npx skill4agent add roble3/cc-blender-skill multiview-constraint-solver

SKILL.md Content

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Multiview Constraint Solver

Use this before another rebuild when references disagree. A renderer cannot make one rigid mesh satisfy mutually incompatible orthographic dimensions unless you allow view-specific cheats.

Workflow

Normalize every reference view into a common axis contract:
- front: width X, height Z;
- side: depth Y, height Z;
- top: width X, depth Y;
- back: width X, height Z.
Measure visible body bboxes, not labels/background/aura unless they are part of the model contract.
Compare shared axes:
- front width vs top width;
- front/back height vs side height;
- side depth vs top depth.
If ratios differ beyond tolerance, write a conflict report and select a policy:
- ```
front_side_canonical
```
  : front brand read and side depth/height are authoritative;
- ```
front_top_canonical
```
  : front brand read and top footprint are authoritative;
- ```
corrected_templates_required
```
  : no rigid rebuild should claim final fit;
- ```
view_specific_cheats
```
  : separate camera/view variants allowed, not one rigid asset.
Feed the chosen policy into
```
fit-repair-optimizer
```
before any geometry, UV, or lighting work.

Hard gates

Do not restart modeling until canonical policy exists.
Do not treat top-view aura/context as body depth.
Do not average contradictory dimensions unless the user explicitly asks for an approximate stylized compromise.
Record part-count disagreements separately from bbox disagreements.

Script

```
scripts/view_constraint_report.py
```
reads a JSON file of per-view body bboxes and emits shared-axis compatibility and a suggested canonical policy.