Hi There

i am about to go down the path of converting an old laptop into ashop floor pc for opening 2d and hopefully 3d cad drawings.
At the moment i would like to use ubuntu as the operating system,but don't seem to be able to find a 3d file viewer that will run onit.
Has any one else done a project like this?
Am i destined to give in to windows XP?SolidworksAdministration