Here in the Uk there isn't really a big demand for 3D modellers and texture artists, but there is one job available in north america, by a company called Datascope.
Most companies like this do require the person applying for the job to have at least two years experience working in a games company and also at least one game that has been published so unfortuantly if you wanted to go straight here and work after col;lege or university you can't
There are two programs that 3d modeller needs one is 3d max, where you can make the most basic of characters or equipment, and also a choice of two programs one called zbrush which enables you to add more detail to a character like a scar or more faciel detail. Mudbox does mostly the same thing.
Unfortunatly for most people there is a big demand because this is one of the most populer jobs available, but it may in the future become more difficult for 3d modellers because as graphics become better the harder it is to create decent characters and equipment.
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Current economic climate in the Games Industry
The recession has effected everything in the world an unfortunatly for us the Game Industry is not invincible