Here is a link to my Catalyst Project props. These were constructed to support a story about time travel.  Although they are theme oriented, you may find the rooms, walkway, platforms and neutron accelerator of value for other pictures.  The readme's include additonal information.

http://www.lordofthelabs.com/mysite/downloads/download.html

Have fun!

Thank you melamkish     !

Thanks My friend!              

Thanks, this is great!

this is great,  thanks!

Thanks!
I think I can find a use for these.

Thank you