| 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. 
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| 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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