Overview
CAD Assistant is a free macOS utility that makes it easy to open, inspect, and convert 3D CAD and mesh models. Designed for both professionals and hobbyists, it streamlines access to complex assemblies and single-part files so you can view geometry quickly and prepare models for other tools.
Main capabilities
- Open and examine CAD and mesh geometry with interactive rotation, zoom, and sectioning tools.
- Convert models between a variety of industry formats to improve compatibility with downstream applications.
- Present a clean, approachable interface that helps new users get productive without a steep learning curve.
- Export and share models in formats that make collaboration and editing across platforms more straightforward.
Supported file types
- GLTF / glb
- FBX
- 3MF
- OBJ
- STL
- STEP / STP
- IGES
Who benefits most
CAD Assistant is useful for designers, engineers, 3D printing hobbyists, and anyone who needs to exchange models between different CAD systems or rendering tools. It’s particularly helpful when you need a lightweight viewer or a quick way to reformat files for collaborators or manufacturing.
How to get started
- Download the app on your Mac and open the file you want to inspect.
- Use the view controls to navigate the model and the measurement/section tools to check details.
- Choose Export or Save As to convert the model into a supported target format for sharing or further editing.
Summary
If you need a straightforward, no-cost solution on macOS for viewing and converting 3D CAD and mesh files, CAD Assistant provides practical tools to inspect models and move data between applications with minimal fuss.
Technical
- Mac
- Android
- Free