Parametric vs. Direct Modelling (Fusion 360)
The choice between history-based feature edits and history-free push/pull-style direct edits — Fusion supports both on the same body.
🔗 Related Concepts
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Definition
Parametric modelling produces a feature timeline; edits replay through the timeline. Direct modelling (Press Pull, Move/Copy on faces, Modify > Delete on faces) edits the current body state and does not produce a deterministic replay graph.
Fusion 360 supports both. Parametric Design captures every feature in the timeline. Setting a design to 'Do not capture Design History' converts it to direct modelling. Imported STEP files often arrive as direct geometry.
Why it matters
The right choice depends on use case. Parametric: long-running products with iteration, families of parts, configurations. Direct: imported geometry, rapid concept exploration, one-off fixtures. Mixing them on the same file requires understanding which features are parametric and which aren't.
Common pitfalls
- Editing imported direct geometry expecting timeline-style undo — direct edits don't compose into a replay graph.
- Switching between modes without realising downstream features may not be reproducible.
- Treating direct modelling as a 'fix' for broken parametric features instead of redefining references.
Fusion 360 Ecosystem Context
This concept is a core structural element of the Fusion 360 drafting and engineering environment developed by Autodesk. Autodesk's cloud-native unified design-and-make platform — parametric/direct hybrid modelling, CAM, sheet metal, simulation, electronics, and generative design in one subscription.
Relevant Fusion 360 FAQs
❓ Is Fusion 360 truly free for personal use?
Yes, but with restrictions. The personal-use tier is for hobbyists with under $1k/year in revenue from Fusion-created work. It limits active documents (10 editable at once), removes simulation/generative-design/electronics/extensions, simplifies CAM (no 5-axis, no multi-setup), and has restricted export options. Autodesk has progressively narrowed the free tier; verify current terms before relying on it commercially.
❓ What's the difference between Fusion 360 and Fusion Industry?
There is no separate 'Fusion Industry' product as of writing. 'Fusion 360' is the unified product. Extensions (Manufacturing, Simulation, Generative Design, etc.) add capability. Autodesk has also branded vertical packages (Fusion 360 with Inventor capability) at times; consult current Autodesk pricing pages.
❓ Can Fusion 360 work offline?
Yes — with caveats. Fusion caches files locally and supports a 'work offline' mode for up to 2 weeks. Cloud render, generative design, electronics simulation, and forced sync features require connectivity. For continuous offline work, Inventor is a better fit.
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🎓 Recommended Practice Lessons
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Fusion 360 on Udemy
🌳 Semantic Crossroads & Navigation Pathways
Trunk-Branch-Leaf ModelExplore cross-referenced learning lanes. Connect this specific method back to macro CAD coordinate foundations, parent software environments, and sibling parameters in our shared taxonomy map.
Global Foundations
Core glossary, interactive graph, and domain-wide concept index.
Ecosystem Integration
Parent design environments and platforms implementing this method natively.
Active Context & Neighbors
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