Blender is the open source software for 3D modeling, animation, rendering, post-production, interactive creation and playback. Available for all major operating systems under the GNU General Public License. * Revolutionary non-overlapping and non-blocking UI delivers unsurpassed workflow * Flexible and fully configurable window layout with as many screen setups as you prefer video sequence editing, character animation action editor, non-linear animation mixer, image/UV editing, file/image selection and file management * Built-in text editor for annotations and editing Python scripts * Consistent interface across all platforms * A range of 3D object types including polygon meshes, NURBS surfaces, bezier and B-spline curves, metaballs, vector fonts (TrueType, PostScript, OpenType) * Smooth proxy style catmull-clark subdivision surfaces with optimal iso-lines display and sharpness editing * Armature (skeleton) deformation with forward/inverse kinematics, auto skinning and interactive 3D paint for vertex weighting * Non-linear animation mixer with automated walkcycles along paths * Constraint system * Vertex key framing for morphing, with controlling sliders * Oversampling, motion blur, post-production effects, fields, non-square pixels * Environment maps, halos, lens flares, fog * Various surface shaders such as Lambert, Phong, Oren-nayar, Blinn, Toon * Edge rendering for toon shading * Procedural Textures * Graphical editor for defining interactive behavior without programming * Collision detection and dynamics simulation * Playback of games and interactive 3D content without compiling or preprocessing * Audio, using the SDL toolkit * Multi-layering of Scenes for overlay interfaces * Read / Write TGA, JPG, PNG, Iris, SGI Movie, IFF, AVI and Quicktime GIF, TIFF, PSD, MOV (Windows and Mac OS X) * And much much more