| Step 1. | 
                  
                   Choose Home tab→Solids group→Blend   | 
            
| Step 2. | 
                  
                   On the Blend command bar, choose Surface Blend.  | 
            
| Step 3. | 
                  
                   Select the surfaces you want to blend. 
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| Step 4. | 
                  
                   In the Radius field of the Select step of the Blend command bar, type in a radius value, and click the Accept button   | 
            
| Step 5. | 
                  
                   Click to specify the side of surfaces on which you want to apply the blend. 
  | 
            
| Step 6. | 
                  
                   Use the Surface Blend Parameters step to specify if you want to trim the blend.  | 
            
| Step 7. | 
                  
                   On the Blend command bar, click Finish. 
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