To Repair a Hole in a Mesh Object
Click
Modify menu
Mesh Editing
Close Hole
.
Select contiguous edges to serve as the boundary for the mesh face that will span the gap.
Related Concepts
About Modifying Mesh Faces
About Removing Faces and Closing Gaps in Mesh Objects
Related Tasks
To Work With Reshaping Mesh Faces
To Delete a Face From a Mesh Object
To Modify a Mesh Subobject in the Properties Inspector