builder-research/Week-2/Task-4/ProductLens.md

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## Product Lens
- Is this pattern useful for real customers? Yes
- What kind of customer use case does this support?
- Product assemblies where parts move together while keeping relative spacing.
- Educational and explainer scenes showing hierarchy and inheritance.
- Motion design layouts where one parent motion drives a cluster of elements.
- Does Thob feel strong enough for this use case?
- Partial. The mesh-inside-mesh pattern works for parent-child inheritance, but Perspective Camera rotation seems broken because objects disappear no matter which rotation axis is used.
- For step-selection interactions, button-driven setup was not reliable end-to-end; radio-button switching between preconfigured states is a more dependable fallback.
- What would improve the experience?
- Fix Perspective Camera component rotation so scene objects do not disappear during camera rotation.
- Add reusable presets for common parent-child motion examples.
- Provide clearer step-state visualization for guided camera plus transform sequences.