Did you use the TOOl like this ?
1. put the details in the Folder: C:/ program/ modding/ tool/ meshes
2. open tool and load your ship model
3. click edit scene
4. add the details you want
5. delete the ship model and locators
6. save it as "deck" for example
7. load your ship model again
8. open locators and add the following : deck-geometry-0-0-0-1-0-0-0-1-0-0-0-1-1-0
9. save the ship model
1. put the details in the Folder: C:/ program/ modding/ tool/ meshes
2. open tool and load your ship model
3. click edit scene
4. add the details you want
5. delete the ship model and locators
6. save it as "deck" for example
7. load your ship model again
8. open locators and add the following : deck-geometry-0-0-0-1-0-0-0-1-0-0-0-1-1-0
9. save the ship model