About the Blend Wall Tools in Sheetmetal Design
You can use the Blend and the Rotational Blend tools to create a sheet metal wall or a surface with blended geometry. When a blend or a rotational blend wall is not the first wall, use the tools to create a solid cut. You can redefine a blend or rotational blend wall as a surface, or redefine the surface as a wall, if the wall is not the first one in a design. You must specify thickness for a first wall. Keep in mind that additional options specific to Sheetmetal Design are available for the Blend and Rotational Blend tools. In addition, you can use legacy blend tool commands to create a parallel blend wall with projected sections or to create a general blend wall.
For more information on the Blend tools, search the Help Center.
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Legacy Blend tools are available when you customize the ribbon by setting the enable_obsolete_features configuration option to yes.