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Second, . When you split, trim, or join surfaces, CATIA creates boundaries. Unnecessary boundaries multiply complexity. Use the “Heal” and “Join” commands to combine contiguous surfaces, and use “Remove” or “Simplify” to eliminate superfluous edges. A clean, single-surface boundary is far easier to thicken, offset, or patch.

Speed in navigation is underrated. . By default, the middle mouse button alone rotates, but adding Ctrl or Alt (depending on your settings) pans and zooms. Learn these combinations by heart. Additionally, assign a shortcut (e.g., “F3”) to hide/show the specification tree, and use “FIT ALL IN” (Shift + F1 by default) to recenter your view after zooming deep into a model. catia tips

Working with large assemblies is where CATIA’s performance can either shine or stall. A critical tip is to . While it is tempting to create a part directly within an assembly using external references, overuse creates circular dependencies and “broken links.” Instead, when you need to reference another part’s geometry, use “Publish” elements. Publishing creates stable, named reference elements (points, lines, surfaces) that resist breaking when the source part is updated, unlike a direct “Keep Link” which can break if the source geometry’s ID changes. Second,