To paint and apply effects I export my objects into separated FBX file and import them into Bodypaint.
为了绘画和应用效果，我把我要渲染的物体从FBX文件中分离出来，放到Bodypaint中。
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The tool provides an easy way to setup unique grunge, weathering, and distress effects to your object without any need to UV map or use BodyPaint to paint masks.