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IKEA Train Engine Rear Cover
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周末整理儿子玩具箱时,发现他的宜家LICHAMPIG电动火车头瘫在角落——那个用来固定电池的后舱盖不翼而飞。可能是上次换电池时被小家伙当成"神秘零件"藏在了某个玩具堆里,翻遍整个房间无果后,正好3D打印机到货了,我决定用3D打印技术开启一场"零件救援"。用游标卡尺反复确认各个间距,使用Fusion360建模后打印,初始版本发现太严丝合缝了导致根本放不进去,第二版降低了整体的厚度,发下下面的卡口处还是放不进去,第三版做了个小倒角。拆解旧电视遥控器取出镀金弹簧片,粘在后盖处,放上电池拧上螺丝,小火车"复活了"。
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