本视频教程是由CGCookie机构出品的Blender卡通渲染制作视频教程，CGCookie Crash Course Freestyle Rendering，时长：1小时31分，大小：419 MB，MP4高清视频格式，附工程源文件，教程使用软件：Blender 2.69，作者：Kent Trammell，共4个章节，语言：英语。

Blender是一个开源的多平台轻量级全能三维动画制作软件，提供从建模，动画，材质，渲染，到音频处理，视频剪辑的一系列动画短片制作解决方案。blender以python为内建脚本，支持yafaray渲染器，同时还内建游戏引擎。动画工具，包括了反向动作组件，可设定骨骼，结构变形，关键影格，时间线，非线性视频编辑，顶点量重及柔化动量组件，包括网孔碰撞侦察和一个具有侦察碰察的粒子系统，固体碰撞、布料、液体、力场解算。

CGCookie Crash Course Freestyle Rendering

Non-Photorealistic Rendering

Even though photorealistic rendering is very popular in modern computer graphics, non-photorealistic visual styles are also popular. Especially since the inclusion of the Freestyle render engine with Blender 2.67 and onward. Commonly referred to as “NPR”, this style of rendering can be generalized as “cartoony”. As you can imagine this is useful for visual styles like anime, commercials, architectural visualization, and motion graphics like the ending credits of “Tears of Steel”.

Freestyle’s purpose is to detect geometric edges and draw stylistic strokes over them. Artistically, we can think of this as “outlining” our objects. And when these outlines are combined with toon-style shading, it’s very possible to achieve hand-drawn-like treatments of our 3D scenes. We can also render Freestyle lines by themselves to achieve a look like technical-drawings.