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AutoCAD Tutorial

AutoCAD 3D Modeling: Fillet and Chamfer

September 2, 2003

You can use FILLET and CHAMFER for 3D solid objects. These commands create new surfaces on the objects. The following shows you how to use them.


  • This tutorial is designed for AutoCAD 2004 though might be applicable to other releases.
  • In this tutorial user entries are in boldface.
  • The 8 symbol represents pressing Enter.

1. Download r16_fillet.dwg.

Note: If you are using AutoCAD 2002 or an earlier release download r15_fillet.dwg.

2. Open the drawing in AutoCAD [Figure 1].

Figure 1 - Click on image to enlarge

3. Switch to 2D Wireframe shade mode.

4. Invoke FILLET (Modify menu > Fillet).

5. Click the vertical edge 2.

6. Set the radius to 0.5 units.

7. Click the vertical edge 1 and all the edges on the top surface 4.

8. Press Enter [Figure 2].

Figure 2 - Click on image to enlarge

9. Invoke CHAMFER (Modify menu > Chamfer).

10. Select the vertical edge 3.

11. Select Next to change the base surface for chamfer:

Enter surface selection option [Next/OK (current)] <OK>: n 8

12. Click a point inside the face to the right. Press 8 to accept the current face.

13. Specify the chamfer distance to be 0.25 for both the base surface and the other surface:

Specify base surface chamfer distance: 0.25 8
Specify other surface chamfer distance <0.2500>: 8

14. Select the Loop option:

Select an edge or [Loop]: l 8

15. Click the vertical edge 3 and then press 8 to create the chamfer.

16. Switch to Gouraud shade mode [Figure 3].

Figure 3 - Click on image to enlarge

About the Author

Alireza Parsai is the founder of cadpanel.com. He is a mechanical engineer with more than 12 years experience with AutoCAD. Alireza is an Autodesk Authorized Author, the AutoCAD consultant for Al Khawarizmi Institute, a contributing editor for Augiworld magazine, a writer for CAD Digest, and an instructor for AUGI Training Program. He has written 8 books in Farsi, 3 booklets in English, and more than 100 articles for different magazines and newsletters. You can reach Alireza at alireza.parsai@cadpanel.com or visit his website www.cadpanel.com .  

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