MakerWorld
3D Printer Accessories
A1 Spool Rack Rollers
by Mr.D
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优化了之前料架轴承的一些小问题1、优化了 只需要一个轴承,内部增加了限位2、需要购买1个HK2520(25*32*20)冲压外圈滚针轴承
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