Fillet Surface

       Creates a tangent surface between two surface edges with constant radius profile, trims the original surfaces, and joins the fillet surface to them.

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Command:

Menu【Surface > Fillet Surface】   

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Steps:

1 ClickMenu【Surface > Fillet Surface】.

2 Set the fillet radius.

3 Select the first surface.

4 Select the second surface.

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       Parameters:

Extend: extends the fillet surface to surface edges

Trim: trim the original surface back to the fillet edges.