The Replace Materials Dialog
This dialog can be opened by clicking on the related menu item in The Tools Menu or by clicking on the icon in the materials bar (see The Main Window User Interface).
With this dialog you can find a specific material and its related faces and replace this material by another one.
Search for
exact matches: Only materials that match the exact material name given in the material field are found.
partial matches: Materials whose names match the searched material name partially are also found (e.g. search name: wall; partially matches with wall_01, mywall, etc.).