Notes on Using Blender for 3D Printing

Changing Scale for 3D Printing

• Accessing Scene Properties
  • Click on Scene Properties
  • Find the Scale settings.

Setting Unit Preferences

• Units Section:
  • Expand Units options.
  • Change Length to Millimeters.
• Unit Scale:
  • Set to 0.001
    • 0.1 = 10 mm
    • 1.0 = 1000 mm

Adjusting the Grid

• Grid Adjustment:
  • Go to Show Overlays at the top.
  • Change Grid Scale to 0.001 (matching unit scale).

Saving Preferences

• To save the changes:
  • Go to File > Defaults > Save Startup File.
  • Confirm by clicking OK.
• Restart Blender to ensure preferences are saved.

Adding and Scaling Objects

• When adding a mesh (e.g., Cube):
  • Select the Cube and check the Add Cube options.
  • Adjust scale under Add Cube settings to 20 mm.

Conclusion

• Follow these steps to set up Blender for precise measurements for 3D printing.
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