How to Convert 3D Models into STL Files


forward File > Save As
forward Set Save As Type to STL
forward Options > Resolution > Fine > OK > Save
STL settings : How to change STL settings
forward File > Save As
forward STL > Options
forward For a smoother STL file, change the Resolution to Custom
forward Change the deviation to 0.01 mm
forward Change the angle to 5 (smaller deviations and angles will produce a smoother file, but the file size will get larger)
Tip: Review file export options before you save your file from SolidWorks here
To save a model or a model assembly in STL Format:
forward File > Save As (Save As dialog box opens)
forward From the Save as type drop-down menu select STL (*.stl)
forward Click Options
forward The Export Options dialog box will display the file in a tessellated view
forward File Format selection is STL
forwardIn the Export Options dialog box > Output As section select Binary
  • The resulting file size will be much smaller than a file saved in ASCII format
forwardIn the Resolution section, select the appropriate option
  • If you select Custom, you can manually adjust the Deviation and Angle settings
  • The Deviation and Angle settings affect the tessellation of non-planar surfaces as follows
  • Lower deviation settings result in finer tessellation
  • Lower angle settings result in greater accuracy, noticeable in small details
  • Note: The higher the resolution, the larger the size of the file, and the longer it takes to generate
forwardFor single material builds make sure that the following check box is selected: Save all components of an assembly in a single file
  • This ensures that all components are saved as a single STL file
forwardFor dual material builds (Poly Jet) make sure that the following check box is NOT selected: Save all components of an assembly in a single file
  • Note: Keep in mind that an assembly with many units will create many individual STL files when the “Save all components of an assembly in a single file” check box is left unchecked
forwardClick OK
forwardIn the Save As dialog box, click Save
forwardIn the confirmation message, click yes

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