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How do I open a 3D model in Solidworks?

Published in Solidworks CAD 3 mins read

To open a 3D model in Solidworks, follow these steps:

  1. Click File > Open. This will open the standard file selection dialog box.

  2. In the Open dialog box, browse to the location of your 3D model file. Navigate through your folders until you find the file you want to open.

  3. Select the file and click Open. This will attempt to open the selected model.

  4. Import Settings (if necessary): Depending on the file type you are opening (especially if it's from another CAD system), Solidworks might present an "Import Settings" dialog box. In this dialog, you can specify options related to how the model is imported, such as:

    • Units: Verify the units are correct (e.g., mm, inches).
    • Geometry to Import: Choose whether to import solid bodies, surfaces, or both.
    • Feature Recognition: Solidworks can attempt to recognize features (like extrudes, revolves, etc.) from the imported geometry. This is not always successful, and sometimes it's better to import as dumb solids/surfaces.
    • Diagnostics: Run diagnostics to check for errors during the import process.
  5. Click OK on the Import Settings dialog box (if it appears). Solidworks will then process the file and display the 3D model in the graphics area.

Important Considerations:

  • Supported File Types: Solidworks supports a wide range of 3D file formats, including its native formats (.SLDPRT for parts, .SLDASM for assemblies, .SLDDRW for drawings) as well as neutral formats like .STEP, .IGES, .STL, .SAT, and others. The success of opening a model depends greatly on the compatibility of the file type and the quality of the original model.
  • Large Assemblies: Opening very large assemblies can be resource-intensive and time-consuming. Solidworks offers features like Large Assembly Mode to improve performance when working with such models.
  • Troubleshooting: If the model doesn't open correctly, or if you encounter errors, check the following:
    • File Corruption: The file might be corrupted. Try obtaining a fresh copy of the file.
    • Software Version: Ensure your Solidworks version supports the file format and version it was created with.
    • System Resources: Make sure your computer meets the minimum system requirements for Solidworks, especially if you are working with large models.
    • Graphics Card Drivers: Outdated or incompatible graphics card drivers can cause display issues.

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