JPatch
JPatch is a simple but powerful 3D animation and modeling tool that even beginners can use. It's already a few years old but it still does wonders especially if you're a beginner to 3D rendering.
Mainly created to help animate and model organic objects such as human faces, aliens, animals and much more; the program is a versatile and easy-to-use tool for achieving your desired image.
JPatch was created to suit both beginners as well as semi advanced users. Those starting out can take a look at the programs wiki page for a thorough overview of what it is capable of as well as the many features it has.