[{"data":1,"prerenderedAt":370},["ShallowReactive",2],{"content-/zh/advanced-tutorial/3d-workflow":3},{"id":4,"title":5,"body":6,"description":362,"extension":363,"meta":364,"navigation":365,"path":366,"seo":367,"stem":368,"__hash__":369},"content/zh/advanced-tutorial/3d-workflow.md","精通3D生成：混元3D-2.1 工作流教程（简体中文）",{"type":7,"value":8,"toc":348},"minimark",[9,13,22,25,30,33,95,97,101,108,138,147,149,153,161,165,206,210,221,223,227,234,259,261,265,268,311,313,317],[10,11,5],"h1",{"id":12},"精通3d生成混元3d-21-工作流教程简体中文",[14,15,16,17,21],"p",{},"混元3D-2.1 代表了",[18,19,20],"strong",{},"生成式3D建模","的最新前沿。与传统的“点云”方法不同，混元3D采用两阶段架构（生成 + 精修），可直接从单张图片生成拓扑干净、纹理精细的高质量网格模型。",[23,24],"hr",{},[26,27,29],"h2",{"id":28},"_1-3d生成流程","1. 3D生成流程",[14,31,32],{},"在 ComfyUI 中实现最佳效果，工作流通常分为三个逻辑阶段：",[34,35,36,52],"table",{},[37,38,39],"thead",{},[40,41,42,46,49],"tr",{},[43,44,45],"th",{},"阶段",[43,47,48],{},"任务",[43,50,51],{},"模型/节点",[53,54,55,69,82],"tbody",{},[40,56,57,63,66],{},[58,59,60],"td",{},[18,61,62],{},"第一阶段",[58,64,65],{},"生成参考图",[58,67,68],{},"Flux.1 或 SDXL（生成参考图）",[40,70,71,76,79],{},[58,72,73],{},[18,74,75],{},"第二阶段",[58,77,78],{},"图转3D（草稿）",[58,80,81],{},"混元3D-2.1（MVDream / Std）",[40,83,84,89,92],{},[58,85,86],{},[18,87,88],{},"第三阶段",[58,90,91],{},"网格精修",[58,93,94],{},"混元3D-Refiner（纹理/几何）",[23,96],{},[26,98,100],{"id":99},"_2-第一阶段制作完美的参考图","2. 第一阶段：制作完美的参考图",[14,102,103,104,107],{},"3D模型的质量",[18,105,106],{},"完全取决于","你的2D输入图。",[109,110,111,118,132],"ul",{},[112,113,114,117],"li",{},[18,115,116],{},"背景","：使用纯色、中性背景（白色或浅灰色）。",[112,119,120,123,124,127,128,131],{},[18,121,122],{},"构图","：必须是",[18,125,126],{},"全身","或",[18,129,130],{},"居中","视角，避免截断四肢。",[112,133,134,137],{},[18,135,136],{},"光照","：推荐均匀的影棚光照。2D图中自带的阴影会在3D纹理中产生瑕疵。",[139,140,141],"blockquote",{},[14,142,143,144,146],{},"专业技巧：配合 Flux.1 使用专门的**“角色三视图”",[18,145,127],{},"“正交视图”LoRA**，能让AI更准确地理解物体背面与侧面结构。",[23,148],{},[26,150,152],{"id":151},"_3-第二阶段混元3d核心逻辑","3. 第二阶段：混元3D核心逻辑",[14,154,155,156,160],{},"在 ComfyUI 中，你主要使用 ",[157,158,159],"code",{},"Hunyuan3D_ImageTo3D"," 节点。以下是关键配置：",[162,163,164],"h3",{"id":164},"关键参数",[109,166,167,173,187,197],{},[112,168,169,172],{},[18,170,171],{},"Seed（种子）","：标准随机数。",[112,174,175,178,179,182,183,186],{},[18,176,177],{},"Size（尺寸）","：初始重建通常设为 ",[157,180,181],{},"256"," 或 ",[157,184,185],{},"512","。",[112,188,189,192,193,196],{},[18,190,191],{},"Steps（步数）","：",[157,194,195],{},"30–50"," 为最佳区间。",[112,198,199,192,202,205],{},[18,200,201],{},"Guidance Scale（引导系数）",[157,203,204],{},"5.0–7.5","。数值越高，模型越严格遵循2D原图，但有时会让3D体积感变平。",[162,207,209],{"id":208},"理解多视角扩散mvdream","理解多视角扩散（MVDream）",[14,211,212,213,216,217,220],{},"混元3D-2.1 会同时生成物体的多个视角，在构建3D形状前“脑补”背面和侧面。在工作流中，确保 ",[18,214,215],{},"MVDream 模型","已正确加载到 ",[157,218,219],{},"ModelLoader"," 节点中。",[23,222],{},[26,224,226],{"id":225},"_4-第三阶段精修器与网格生成","4. 第三阶段：精修器与网格生成",[14,228,229,230,233],{},"草稿3D结构生成后，由 ",[18,231,232],{},"Refiner（精修器）"," 节点打磨表面。",[109,235,236,246],{},[112,237,238,241,242,245],{},[18,239,240],{},"移动立方体 vs 灵活立方体","：混元3D-2.1 常用优化的网格算法。如果你的自定义节点支持，优先选择 ",[157,243,244],{},"FlexiCubes","，可获得更流畅的边缘和更少的锯齿三角面。",[112,247,248,251,252,182,255,258],{},[18,249,250],{},"重拓扑","：专业用途中，通常需要在流程末尾添加 ",[157,253,254],{},"Mesh_Decimate",[157,256,257],{},"Mesh_Smooth"," 节点，降低面数以适配游戏引擎。",[23,260],{},[26,262,264],{"id":263},"_5-标准-comfyui-节点连接顺序","5. 标准 ComfyUI 节点连接顺序",[14,266,267],{},"按以下逻辑连接节点：",[269,270,271,277,287,292,298],"ol",{},[112,272,273,276],{},[18,274,275],{},"Load Image","（加载图片，或使用 Flux 生成的图像）。",[112,278,279,282,283,286],{},[18,280,281],{},"Hunyuan3D_ModelLoader","：加载 ",[157,284,285],{},"hunyuan_3d_2.1.pt"," 权重。",[112,288,289,291],{},[18,290,159],{},"：输入图片 + 模型，生成“3D隐空间数据”。",[112,293,294,297],{},[18,295,296],{},"Hunyuan3D_Refiner","：输入3D隐空间，锐化纹理。",[112,299,300,303,304,182,307,310],{},[18,301,302],{},"Save/Export Mesh","：导出 ",[157,305,306],{},".glb",[157,308,309],{},".obj"," 格式，用于 Blender 或虚幻引擎。",[23,312],{},[26,314,316],{"id":315},"_6-技术问题排查","6. 技术问题排查",[109,318,319,332,342],{},[112,320,321,324,325,182,328,331],{},[18,322,323],{},"显存问题","：混元3D-2.1 占用较高。如果显存低于16GB，请在 ComfyUI 启动参数中开启 ",[157,326,327],{},"fp8",[157,329,330],{},"bf16"," 精度。",[112,333,334,337,338,341],{},[18,335,336],{},"多余碎面","：如果模型出现孤立的“碎块几何”，提高网格生成节点中的 ",[18,339,340],{},"Threshold（阈值）","，过滤低置信度体素。",[112,343,344,347],{},[18,345,346],{},"不对称问题","：如果物体歪斜，检查输入图片是否完全居中。模型默认图片中心就是3D世界中心。",{"title":349,"searchDepth":350,"depth":350,"links":351},"",2,[352,353,354,359,360,361],{"id":28,"depth":350,"text":29},{"id":99,"depth":350,"text":100},{"id":151,"depth":350,"text":152,"children":355},[356,358],{"id":164,"depth":357,"text":164},3,{"id":208,"depth":357,"text":209},{"id":225,"depth":350,"text":226},{"id":263,"depth":350,"text":264},{"id":315,"depth":350,"text":316},"混元3D-2.1 代表了生成式3D建模的最新前沿。与传统的“点云”方法不同，混元3D采用两阶段架构（生成 + 精修），可直接从单张图片生成拓扑干净、纹理精细的高质量网格模型。","md",{},true,"/zh/advanced-tutorial/3d-workflow",{"title":5,"description":362},"zh/advanced-tutorial/3d-workflow","mLiCdsLgvma9_pQdJHBgpRYn7NKpWYadJuMiwGHlStg",1773986044745]