Replace Face dialog box

Replaces one or more part faces with a different face.

The part must completely intersect the new face.

Access
Ribbon: 3D Model tab Surface panel Replace Face
Existing Faces
Selects a single face, set of adjacent faces, or set of nonadjacent faces to replace.
New Faces
Selects a surface, a quilt, or one or more work planes to replace existing faces. The part extends to intersect the new faces. If necessary, the new face is trimmed to match the part face
Automatic Face Chain
Automatically selects all faces that are continuously tangent to the selected face. Clear the checkbox to select individual faces.