Learn FUSION360-SCRIPTING with Real Code Examples
Updated Nov 27, 2025
Architecture
Fusion 360 application runs embedded Python or JavaScript interpreter
Scripts executed via Add-Ins or Scripts menu
Access Fusion 360 objects via API (Design, CAM, Simulation)
Custom commands communicate with Fusion 360 environment
Optional integration with cloud data or local files
Rendering Model
Scripts executed within Fusion 360 environment
Commands manipulate API objects
Add-ins register UI commands and event handlers
Parameters control geometry programmatically
CAM operations automated via API toolpath objects
Architectural Patterns
Script-based automation
Add-in UI integration
Event-driven command handling
Modular libraries for repeated use
Parameter-driven design automation
Real World Architectures
Parametric product design automation
Automated assembly generation
Batch export and documentation generation
CAM toolpath and simulation automation
Cloud-based design workflow integration
Design Principles
Parametric modeling automation
Direct API access to design and CAM objects
Modular scripting and Add-in architecture
Integration with cloud and local project data
Enhance productivity while maintaining design integrity
Scalability Guide
Organize scripts and Add-ins modularly
Batch process multiple designs or assemblies
Cache object references for efficiency
Automate CAM workflows for multiple setups
Integrate with external data sources for large projects
Migration Guide
Update old scripts for new API versions
Refactor Add-ins for workspace changes
Test scripts on sample designs
Ensure Python 3 compatibility
Deploy updated scripts to team projects