Universal 3D Previewer
Fast 3D Quick Look previews
Only for Mac
Free
Mac
Fast Finder Quick Look previews and thumbnails for STEP, STL, 3MF, G-code, SOLIDWORKS, and more.
Universal 3D Previewer adds fast Finder preview and thumbnail support for common 3D model and toolpath files on macOS.
Preview supported files directly from Finder with Quick Look before opening a larger CAD, slicer, or modeling app. It is built for speed and convenience when browsing parts, meshes, toolpaths, and SOLIDWORKS documents.
Supported formats include STEP/STP, STL, OBJ, PLY, Alembic, 3MF, G-code/GCO, and SOLIDWORKS (.sldprt, .sldasm, .slddrw, .sldlfp).
Universal 3D Previewer includes a lightweight standalone viewer and Finder Quick Look extensions for previews and thumbnails. Open the app once after install to enable the extensions, then press Space on a supported file in Finder.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• SOLIDWORKS files (.sldprt, .sldasm, .slddrw, .sldlfp) now preview as interactive 3D geometry instead of a flat embedded image
• Faster, more useful Finder Quick Look and thumbnail previews for SOLIDWORKS documents
• Continued support for STEP, STL, OBJ, PLY, 3MF, G-code, and more
The developer, Bryan Joseph, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bryan Joseph
- Size
- 4.1 MB
- Category
- Graphics & Design
- Compatibility
Requires macOS 14.6 or later.
- Mac
Requires macOS 14.6 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Bryan Joseph