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📝 STL、3MF、OBJ 有什么区别:什么时候该导哪个

STL、3MF、OBJ 有什么区别:什么时候该导哪个

STL 只存形状,3MF 存"怎么打",OBJ 存"长什么样"。多色件必须用 3MF,机械精度要用 STEP,OBJ 对打印无优势。三条选择规则 + 导出前检查清单。

📅 2026-10-04 👁 6 STL 3MF OBJ
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