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How it is built.
Technical articles on geometry, tenant isolation and reproducible calculations, including implementation choices, trade-offs and validation methods.
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B-Rep geometry in a browser tab
Bunyan’s geometry architecture, its parametric document model and the role of numerical tolerances.
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Tenant isolation and startup checks
Database access policies, application roles and the different properties checked by isolation tests.
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Testing reproducibility in engineering calculations
Versioned inputs, hashes and repeatability tests, and the separate question of engineering correctness.