01
准备一张白色的硬纸板。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b8389b504fc2d562bf43df7ef51190ef77c66cdd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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02
用剪刀先剪下一个长方形的条状。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/faf2b2119313b07ed0f75f9b1ed7912396dd8cde?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请点击输入图片描述
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6e57b36b7993cb39dbb7fd3cde?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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03
再用长条比对硬纸板,再次剪下一个一模一样的长条。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a044ad345982b2b7f3da365723adcbef77099bdf?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请点击输入图片描述
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b21bb051f8198618f602e01758ed2e738ad4e6d8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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04
将两根长条重叠。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/79f0f736afc37931a72c89baf9c4b74542a911d8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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05
然后用铅笔在重叠的长条底部画一个点。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/42a98226cffc1e173ff883a25890f603728de9da?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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06
用剪刀等锐物刺穿两个长条的点,注意不要弄伤手指哦。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/14ce36d3d539b600358f0024fb50352ac75cb7db?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请点击输入图片描述
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/aec379310a55b31944b88de651a98226cefc17db?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
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07
用钉子穿过两个长条的洞然后固定牢,一个活动角就做好了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/e1fe9925bc315c607bd6647c9fb1cb13485477e5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请点击输入图片描述
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/bf096b63f6246b60f04dbde7f9f81a4c500fa2e6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
请点击输入图片描述