Overhaul PCB Rendering with Physically-Based Materials and Realistic Surface Relief

[AnasSarkiz]

Flux-grade PCB rendering, now the default

PCB renders now use the Flux-style product presentation in every viewer path: controlled studio lighting, a satin solder-mask response, physical copper/trace relief, and no engineering grid or rendering-mode fallback.

• Uses geometry-derived masked-copper maps, so an empty board cannot generate false texture artifacts.
• Keeps the existing solder-mask color map intact while applying material detail only where copper geometry exists.
• Keeps Appearance state focused: Lighting and an opt-in Dark Background. Transparency is the default for every new viewer session.
• Removes the unused engineering grid and shadow-receiver path.
• Sets Storybook stories to fullscreen so the visual review is edge-to-edge.

Interactive review

Open the Keypad preview

Keypad visual comparison

Transparent canvas (default)

Dark studio background (optional)

Validation

• bun test tests/board-relief-textures.test.ts tests/manifold-board-textures-strict-mode.test.tsx
• bunx tsc --noEmit --pretty false (blocked only by existing canvas color typing errors outside this change)
• Biome checks on the changed files

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Project	Deployment	Actions	Updated (UTC)
3d-viewer	Ready	Preview	Aug 4, 2026 9:09pm