Prusa是3D打印机业的传奇,开源了一款非常好用的3D打印机,号称3D打印机的机皇,并开配套开发了一套切片软件。官网也提供大量3D模型文件，供3D玩家下载打印。
Pinshape由打印机制造商Forml...
Thingiverse算是世界上最大的可3D打印模型库了，已经成为世界上最重要的3D设计社区之一。Thingiverse最受欢迎的就是它的绝对自由，任何用户都可以上传、分享和下载3D打印文件，而且绝对免费Thingiverse上传的模型已经超过100万个，下载量更是达到2亿之多!
海量3D模型库,3D文件预览,3D图纸在线转换.提供3D打印模型、机械模型、Solidworks模型、草图大师、STP、IGS、Catia、STL、MMD、OBJ、GLB等格式的3D图纸免费下载。
爱生活.爱剁手.爱折腾
我爱3D是一个3D打印模型分享社区，下载这里的模型可以使用3D打印机打印出各种各样的有趣好玩的东西。
打印派是专业的3D打印技术交流社区，集合了3D打印模型设计、自制3D打印机、3D打印店3D打印服务专业人才，找3D模型、买3D打印机、选3D打印材料、外包手板制作，就上打印派。
打印啦是国内专业提供免费3D打印模型素材，时时更新海量好玩的3D打印机模型供国内外玩家免费下载，并提供3D模型交易和建模服务，努力让每一个普通人都能体验3D打印机的科技生活！
魔猴网提供大量免费开源的3D打印文件库，按需分类，用户可以挑选自己喜欢的3D打印模型免费下载；文件主要以STL文件为主3D打印文件, stl文件下载, 3D打印模型，另外也有CG模型，工业CAD模型，如OBJ FBX STLGLB,可以方便导入Unity/Blender/Maya/Cinema4D/Autodesk 3ds Max等软件
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