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SolidWorks Macro vs API vs Add-in: Which One Do You Need?
CAD Automation15 min read

SolidWorks Macro vs API vs Add-in: Which One Do You Need?

A SolidWorks macro is not an alternative to the API — it runs on it. Where the real line sits, what a macro handles well, and 8 signs you need an add-in.

What Is the SolidWorks API? The COM Object Model Explained
CAD Automation2026-08-24

What Is the SolidWorks API? The COM Object Model Explained

What the SolidWorks API is and how it works: the SldWorks, ModelDoc2 and PartDoc hierarchy, the selection-based code trap, and a 5-step learning path.

SolidWorks Add-in Development: Writing a Plugin in C#/.NET
Automation Workshop2026-08-24

SolidWorks Add-in Development: Writing a Plugin in C#/.NET

SolidWorks add-in development in C#: the ISwAddin lifecycle, COM registration, CommandManager and TaskPane, event traps, and 8 mistakes that surface later.

SolidWorks Python Scripting: pywin32 Code and COM Traps
CAD Automation2024-09-28

SolidWorks Python Scripting: pywin32 Code and COM Traps

SolidWorks Python scripting with pywin32: connect to the API over COM, drive dimensions, rebuild once, export PDF or DXF — and dodge the COM traps.