When to Use Configurations vs Separate CAD Files

In CAD modeling, you often face the choice between using configurations within a single file or creating separate files for each variation. Configurations are ideal when the base geometry remains largely the same, with only minor differences in dimensions, features, or suppression states. For example, a bolt with different lengths or a bracket with optional holes can be efficiently managed as configurations.

Separate files are better when the parts have fundamentally different geometry or when managing large assemblies with many unique components. Separating files makes it easier for other team members to work on different variants simultaneously, and it avoids overcomplicating a single file. Configurations can become unwieldy if there are too many or if parameters change frequently.

Consider your workflow. If you need to create drawings or BOMs for each variant individually, separate files might be simpler. Configurations shine when you want to quickly switch between options for analysis or when the variations are simple and well-defined. Also, if you plan to reuse the same part in multiple assemblies with different configurations, that can reduce file management overhead.

In practice, a hybrid approach works best. Use configurations for families of parts with limited variation, and separate files for distinct components. Always document your choices to avoid confusion. The key is to balance file clutter with model complexity.

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