One of the easiest and most accessible ways to get 3D models is to look for it at online marketplaces. Below there is a list of websites with the most traffic, the strongest reputations, and the best royalties:
List of top 3d model and textures stock libraries:
1) www.turbosquid.com
2) www.the3dstudio.com
3) www.daz3d.com
4) www.renderosity.com
5) www.3docean.net
6) www.3dexport.com
7) www.creativecrash.com
Compositing 3d models with 2d scenes is very effective and realistic way of making action films in XXI century. There is a variety of software to use 3d models together with 2d footage. The popular ones are After Effects or HitFilm 2, Cinema 4D, 3D Max and Maya, Toon Boom, Sketchup or Daz 3D are most popular software for 3D and CGI graphics. The 3D models can be composited with the video footage or the whole 3d CGI realistic looking environment can be used to amazing special effects scenes as extras for the video.
