作者：kopykawai

夜晚走这里的话就有点赛博朋克那味儿了... 

制作理由

周日小妞突然说周一科学课老师要交一个过山车模型，大概就是上面的东西。时间紧京东买也来不及，不想给学校门口文具店送钱的某馆员果断决定自己手搓一个... 

其实几年前买过一个成品积木玩具，无奈实在找不到了... 

流水账

先喝两口咖啡，然后随便找了点工具拆了个纸箱子开整...本站值友家里一般纸箱子都是不会缺的,比如三只松鼠的就很不错... 

剪了一块大纸板做底板，然后开始绘图...圆规找不到了拿圆罐子凑数... 

偷懒的后果就是弯道画的实在不怎么样...想想硬纸壳子做弯道有点难干脆改90度直角吧... 

尺寸都是随手取的整厘米数，连接的涂胶水部分干脆连尺都不用乱画几笔... 

很快第一个构件就组合完成了，小妞在旁边抱怨说颜色有点丑... 

这个角度看才发现宽度似乎小了点...只能最后把球搓小点... 

和底板组合相当成功，起码某馆员自己是这么想的... 

订书机不见了没法钢性固定，只能涂一层厚厚的固体胶外面再使用块状胶带粘好，第二天胶干了强度就没问题。 

滑道部分直接找了张A4纸剪成这样。 

因为上面滚的小球不会很重所以简单的用固体胶粘牢就可以了。 

如法炮制第二块支撑结构。 

90度弯角...有第一段的滑道加速小球是绝对能拐过去的，要考虑的是如何防止小球滚得太快弹出去... 

解决办法就是偷懒的用A4复印纸卷了个圆筒充当滑道。其实本来是想用奶茶吸管的，可惜家里找不到...小妞觉得实在有点丑还自己装饰了一下... 

最后一段滑道直接躺平的不做支撑结构了，跟上面一截圆筒粘到一起就好，尾部直接粘底板上。机智如我...最后的那个像沙发的阻挡物是小妞自制的，不加这么个阻拦部件小球会乱跳... 

使用感受 

小妞美化完成的最终版本...找不到合适的小球最后脑袋一拍拿出小妞珍藏已久的彩泥直接手搓了几个，齐活！ 

拍了实际滚球的录像后来不小心误删了，大家脑补一下吧... \n    

总结

其实偶尔和小孩子一起制作手工玩具还挺有成就感... 

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程步妍3489小东想用托盘天平测一枚订书钉的质量,下列哪种方法是最好的( )A.将一枚订书钉直接放在天平上测量B -
喻残解13456451972 ______ 一枚订书钉的质量太小,小于天平标尺上的分度值,因此直接测量一枚订书钉的质量,或将大头针与质量相差较大的容器放在一起测都是无法准确测出其质量,取多次测量的平均值也不能解决质量太小无法测量准确的问题,因此,只有通过累积法,通过测多算少的办法,求出一枚订书钉的质量. 故选D.

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程步妍3489怎么做钉书机的钉子 -
喻残解13456451972 ______ 我们去天津文教用品厂参观过订书钉加工工艺.对凸轮机构的运用很受启发. (1)、送丝滚轮将钢丝轧扁后送进切断槽内孔; (2)、当钢丝送够长度后,其前端搭在一个方形条铁上(此条铁尺寸为书钉内口尺寸); (3)、上压头压住钢丝; ...

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喻残解13456451972 ______ 一:在教室里打扫卫生时,最难对付的是日光灯灯管,它高高地装在天花板上,只有架起梯子,或把课桌椅高高叠起,爬上去才能够得着,但是擦洗还是很不方便的,而且有危险. 有一...

程步妍3489纸船载物,如何制作?学校要求我们使用一张报纸制作纸船,要求只能用订书钉和一张报纸,其他任何东西不能用,用于拉载瓷砖,载瓷砖越多胜出 请问这应... -
喻残解13456451972 ______[答案] 尽量将船底面积变大,在增加船的浮力,折痕什么的尽量不要碰水

程步妍3489怎样制作纸灯笼 -
喻残解13456451972 ______ 手工纸灯笼制作方法双节就要到了,想和孩子们一起做一个可爱的灯笼吗?庆祝一下十一国庆节和中秋节,给自己家增添一些喜庆的气氛,大家快来动手吧.操作方法01准备材料:先找一张硬一点的红色纸或黄色纸作为卷纸桶材料,再找两张...

程步妍3489自制一本小册子,要在A4纸的对折处钉,用普通订书机如何实现 -
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