| Criteria | Traditional Solid | Hybrid Parametric | |----------|------------------|-------------------| | Complex surfaces | Difficult | Easy | | Reusability | Low | High | | Feature robustness | Good | Better (with proper ordering) | | Learning curve | Low | High |
Parametric design is often misunderstood. Beginners think it is simply about changing a number and watching a cube resize. In reality, advanced parametric design is a philosophy of design intent. catia v5 advanced parametric and hybrid 3d design pdf
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| Do (High Robustness) | Don't (Fragile) |
| :--- | :--- |
| Use Publish for external references. | Use direct Edge selection across bodies. |
| Use Extract (with Propagation: Point Continuity). | Use Project with 3D elements (creates unsolvable constraints). |
| Create Ordered Geometrical Sets (with Order). | Mix surfaces and solids randomly without naming. |
| Use Isolate after complex Booleans. | Keep complex "Live" Booleans for final production. |
| Set Part Document -> Keep Mode -> Design mode. | Work in Update mode for heavy assemblies. | | Criteria | Traditional Solid | Hybrid Parametric