Robin is right, you can select your library in your event browser and look in the inspector to see where your media is.
I’m guessing that when you copied it from the drive you got, you created a project that contains the media inside the library, hence the 88 gigs.
FCPX gives you ways to easily manage this media, and move it back out of your library.
In your library properties inspector window in FCPX, next to “Storage Locations” click Modify Settings.
In the window that pops up, for the Media, select “choose” and create a folder for your internalized media to move to. Do this for the Cache as well. Make sure you select a folder on the same drive as your library.
Hit “OK”
Now back in the Library Properties window, click “Consolidate”.
This should move all of your media and cache files (renders and optimized media) into the folder(s) and reduce your library size so you can hand it back to your director, and they can open the project and reconnect your project to the original files on their hard drive.
Sharing projects isn’t my workflow, so I don’t do this, so someone shout out if I’m wrong.
But I did a quick test, and it worked exactly as it should.
If you’re just trying to send a single timeline, wouldn’t it be easier to just export an xml of the project timeline, and send that to your director to import into their project?
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Don’t live your life in a secondary storyline.
Mark Morache
FCPX/FCP7/Xpri/Avid
Evening Magazine,Seattle, WA
https://fcpx.wordpress.com