how to fill holes and make surfaces smooth for reverse engineering using catia?

The file type I have is in stl.I have tried so many times but in vain. Please help ..

http://sdrv.ms/ZWQj65

1 Answer

Select the desired entity or "Hole" in product tree right click on it an then select Delete option.
You can hide it by right clicking the entity or "hole" and then Hide option.