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AutoCAD Tutorial

AutoCAD 3D Modeling: Editing Solids, Part 4

September 11, 2003

The SOLIDEDIT command offers different options to edit solid objects. The options cover face editing, edge editing and body editing. I have designed a series of tutorials to cover all these options. Every tutorial explains one or more options. (See also: Editing Solids, Part 1Editing Solids, Part 2Editing Solids, Part 3)

In this tutorial I show you how to use Delete Faces and Rotate Faces. You can reach these options through Solids Editing toolbar [Figure 1]. Both options deal with faces of the solid model.

Figure 1


  • 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_rd_faces.dwg. The file consists of a solid with a slot inside [Figure 2].

Note: If you are using AutoCAD 2002 or an earlier release download r15_rd_faces.dwg.

Figure 2 - Click on image to enlarge

2. Switch to 2D Wireframe shade mode [Figure 3].

Figure 3 - Click on image to enlarge

3. Invoke Delete Faces (Modify menu > Solids Editing > Delete Faces).

4. Click the top border of the front groove. Shitf+click somewhere on the border of the top face to limit the selection to the groove face [Figure 4].

Figure 4 - Click on image to enlarge

5. Press Enter to delete the groove [Figure 5].

Figure 5 - Click on image to enlarge

6. Invoke Rotate Faces (Modify menu > Solids Editing > Rotate Faces).

7. Select the inner slot completely. You may use the crossing method for selection.

8. Shift+click the unwanted borders to deselect them. The final selection should be similar to the one shown in figure 6.

Figure 6 - Click on image to enlarge

9. Press Enter. Rotate the slot -45 degrees about Z axis:

Specify an axis point or [Axis by object/View/Xaxis/Yaxis/Zaxis] <2points>: z8
Specify the origin of the rotation <0,0,0>:8
Specify a rotation angle or [Reference]: -458

10. Enable Gouraud shade mode [Figure 7].

Figure 7 - 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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