Now I see, you are running 2.8 ! which does not have 3D models plugin ! BUT never fear JOHNNYG is here !!
download and untar the C.E.P tar.gz ( compiz experimental plugins ) I have provided and follow the "how to" , and you will have 3D plugin PLUS much more !! I give you Toy's !
Any problems let me know, I will be happy to help !
NOTE: You may get some error messages on some plugins, Just let the script run, and it should install most of the plugins including 3D models !
Note #2 This will take some time Up to 15 min. depending on your connection.
Ultimate
Ultimate-E
Onyx 64 Pentium 4 processor
2x512 Kingston DDR memory
Maxtor Diamondmax 500 gig
Maxtor Maxline 80 gig, Split for testing only !
Maxtor Diamondmax 500 gig, Storage
ATI 9600 series (RV350 AQ)graphics card
Sony DVD/CD Rewritable Drive DOUBLE LAYER DRU-820A/Sony DRU-800A CD DVD±RW Dual DVD Recorder
http://www.ultimateeditionoz.com/