折爱心教程如下:
材料准备:一张纸。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/cdbf6c81800a19d8d818879321fa828ba61e4608?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
1、先把折纸沿对角线向上对折一下。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b64543a98226cffca631bc24ab014a90f603ea09?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、然后把上面的尖角向下折。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d8f9d72a6059252ddd0d1e92269b033b5bb5b909?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、将左右两侧的尖角分别折向中心线。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/48540923dd54564ec97fe7afa1de9c82d1584f09?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、翻过折纸,将上面的尖角分别向下压折成四方形。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/c995d143ad4bd113d6d7b4a448afa40f4bfb0509?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、然后把四方形的上面和左右两侧都向内折一点。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/562c11dfa9ec8a1381005476e503918fa0ecc00a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、翻过折纸,爱心就折好了。
折纸是一种以纸张折成各种不同形状的艺术活动。折纸不只限于使用纸张。世界各地的折纸爱好者在坚持折叠规范的同时,使用了各种各样的材料,如:锡箔纸、餐巾纸、醋酸薄片等。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/2934349b033b5bb561a0896824d3d539b600bc35?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
折纸与自然科学结合在一起,不仅成为建筑学院的教具,还发展出了折纸几何学成为现代几何学的一个分支。折纸既是一种玩具,也是一项思维活动;是一个和平与纪念的象征手段,也是一种消遣方式。