Blender is a free 3d modeling program that i use to create art,try it for your self. Here is a short definition.

Blender is the free and open source 3D creation suite. It underpins the aggregate of the 3D pipeline—demonstrating, fixing, activity, reenactment, rendering, compositing and movement following, even video altering and amusement creation. Propelled clients utilize Blender's API for Python scripting to alter the application and compose specific devices; frequently these are incorporated into Blender's future discharges. Blender is appropriate to people and little studios who advantage from its bound together pipeline and responsive improvement process.