Delete unused materials in Sketchup just only one step.
More infor : https://3dshouse.com/sketchup/only-on...
00:00 When the model has a lot of unused materials, use the material tool - the first install 3dhouse plugin
00:10 Example, you delete a model, materials of that model in default tray(in model) not delete
00:32 To delete unused materials you must right click many times, don't do that, use material tool now
00:45 3dhouse dynamic plugin- material tool- delete unused materials
00:51 All unused materials have been deleted (except textures - talk about it later )
