Solid Angle公司的渲染器，这是3ds Max中的Arnold，通常我们业内叫MAXtoA，那么这个资源就是你开启CG作品的第一步，安装完成之后将从3ds Max程序的标准界面选择Arnold渲染器。
Arnold的优点：
- 与3ds Max形式，照相机，照明和着色器集成
- 支持基于图像的照明
- 交互式渲染3ds Max ActiveShade，允许快速查看参数
- 支持AOV和Deep EXR文件
- 纹理网格灯
- 支持第三方Arnold着色器
Arnold v2.0.937更新日志：
Enhancements:
OptiX denoiser : the denoiser can now be applied on the beauty pass without needing to create extra AOVs.
Noice denoiser: noice.exe can now be run from a dedicated UI, exposed as a new tab in the rendering options.
Message logging system: the target file for the Arnold messages can now be set directly from the rendering options.
Structured stats and profiling: render statistics and profiling info can now be output to json files.
Fixes:
Fluids: rendering fluids as an Arnold Surface not working in Max 2018.
Crash when trying to change the number of points of the Ramp RGB map.
Wrong number of light, volume and alembic objects reported in the logged messages.
Undo-ing the Set Parameter operator can crash Max.
