MARLVEL
  1. v3.1iOSMinor
    NEW: Built-in material Reference Library (Steel, Aluminum, Concrete) with one-tap auto-fill into any calculator.

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AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Column Construction Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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