Unverified50% confidenceFactExact time
生成PBR材质需要模型同时输出albedo、roughness、metallic、normal map等多个通道，计算量显著高于单纯的RGB贴图
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
Apple Silicon本地图生3D：20秒生成、2GB内存，Modelr开源应用实测
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