固定在外壳后方中心部位的上侧固定部件及下侧固定部件，其具有组装上述旋转轴的铰链孔；
A superior side fixation part and inferior side fixation part mounted in the center portion behind the outer casing, have butt hole for mounting the turning axis.
第二种方法是在翼面上装置铰链，用一个对不同安装角钻有不同孔的外部扇形件与之配合。
A second method is to furnish the surfaces with hinges and to use an exterior sector with drilled holes for each Angle setting.
附件：加强铰链，各种门锁，拉手，窥视孔和门铃。
Accessories: reinforce hinge, various locks, handle, peepholes and doorbells.
提示：如果你的模型有较长的可活动部件，如车轴或铰链，你需要增加这个活动部件周围的间隙或创建额外的逸出孔使耗材粉末可以排出来。
Tip: if you have moving parts like axles or hinges over a long distance you need to increase your clearance or create extra escape holes for the powder to get out.
提示：如果你的模型有较长的可活动部件，如车轴或铰链，你需要增加这个活动部件周围的间隙或创建额外的逸出孔使耗材粉末可以排出来。
Tip: if you have moving parts like axles or hinges over a long distance you need to increase your clearance or create extra escape holes for the powder to get out.
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