How to Save SolidWorks File as STL: Step-by-Step Guide

To save a SolidWorks file as an STL, open your part or assembly, then go to File > Save As. In the save dialog, select STL (*.stl) as the file type, adjust export options if needed, and click Save.

Syntax

The basic steps to save a SolidWorks file as STL are:

• File > Save As: Opens the save dialog.
• Save as type: Choose STL (*.stl) from the dropdown.
• Options: Adjust resolution and output settings for the STL file.
• Save: Confirm and export the STL file.

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File > Save As > Save as type: STL (*.stl) > Options > Save

Example

This example shows how to export a SolidWorks part as an STL file with default settings.

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1. Open your SolidWorks part file.
2. Click on <File> menu and select <Save As>.
3. In the <Save as type> dropdown, select <STL (*.stl)>.
4. Click <Options> to check or change export settings (e.g., resolution).
5. Click <Save> to export the STL file.

Output

STL file saved in the chosen folder, ready for 3D printing or sharing.

Common Pitfalls

Common mistakes when saving as STL include:

• Not selecting STL (*.stl) as the file type, resulting in saving the wrong format.
• Ignoring the Options dialog, which can cause low-quality or very large STL files.
• Saving assemblies without checking if all components are properly included.
• Forgetting to check units and scale, which can cause size issues in 3D printing.

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Wrong way:
File > Save As > Save as type: Part (*.sldprt) > Save

Right way:
File > Save As > Save as type: STL (*.stl) > Options > Adjust settings > Save

Quick Reference

Tips for saving STL files in SolidWorks:

• Always check Options for mesh quality before saving.
• Use Fine resolution for detailed prints, Coarse for faster exports.
• Verify units match your 3D printer requirements.
• For assemblies, consider saving each part as STL separately if needed.

Key Takeaways

Select STL (*.stl) as the file type in the Save As dialog to export your SolidWorks file correctly.

Use the Options button to adjust mesh resolution and file quality before saving.

Check units and scale to ensure the STL file matches your 3D printing needs.

For assemblies, verify all components are included or export parts individually if necessary.

Avoid saving without confirming the file type and export settings to prevent errors.