将A4纸对折裁成两半,备用。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0bd162d9f2d3572c432361a68713632763d0c383?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
将其中的一张,做成一个底边为正方形的长方体。对接处使用双面胶固定。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd100545d055b7f8b4710b8122f83?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
制作好之后,将其中的一断按图示方法裁剪。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b8014a90f603738d98caf158be1bb051f919eccc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/dcc451da81cb39dbb31a9a2cdd160924aa1830f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6609c93d70cf3bc775363196dc00baa1cd112a92?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
取其中一个比较小的玻璃镜,背面贴上双面胶,将其粘贴在制作好的长方体上,同时将两边的剩余纸条包在贴有玻璃镜的部分。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d0c8a786c9177f3e80f501777dcf3bc79e3d5683?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6a600c338744ebf86cf19945d4f9d72a6159a7cc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
将剩余的A4纸做成一个圆筒,大小为刚好塞入长方体。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1c950a7b02087bf44436aa93ffd3572c10dfcff6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/a8014c086e061d954187ca4276f40ad163d9ca83?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
取对折的卡片纸,将剩余的玻璃镜粘贴在一面的中间。在另一面裁出一个圆孔,圆孔的大小比上一步做好的圆筒略小一点。将卡片纸按照原理图固定好。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7e3e6709c93d70cfd13b5777f5dcd100bba12b83?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f31fbe096b63f62419ddc4798a44ebf81b4ca3cc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
将圆筒塞入做好的入射镜框里。再讲圆通另一端塞入长方型纸盒中,调整位置,就可以使用了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0824ab18972bd407391d2e8776899e510eb309f5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)