The dimeion just fot my 3D printer not for you FDM will have more Error maybe you need adjust the dimeion Not for sale, please don't sell it. The mount need use M3 screw thread maker (tap) made thread and design your mount by youelf. the mount only for my design magnetic mount 尺寸是針對我的3D印表機微調的尺寸,不見得適用你的印表機 FDM印表機的公差較大,可能需要調整更多尺寸才能適用 僅供個人使用,請勿販售或大量代印。 連接器的部分需要使用M3螺絲攻攻牙,連接器的部分需要自行設計,我的尺寸是對應我自己設計的磁吸連接座使用而已