1、准备一个圆规和需要剪成圆形的纸,纸张的大小居中即可,这个可以根据实际需要进行选择。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/dbb44aed2e738bd4edc422e6af8b87d6267ff904?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、沿着纸的对角线分别对折形成X形折痕,对折过程应当保持一致。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/55e736d12f2eb938541fe925db628535e4dd6ff3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、以折痕焦点为圆心,用圆规画圆,需要重复几下,保证圆规的痕迹可以看得到。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd100b5f26bf67c8b4710b8122ffe?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、用剪刀沿着画好的圆剪下,剪下的过程中应使边缘的多余角料剔除干净。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/42a98226cffc1e17c45a1ce64490f603728de904?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
第二种方法:
1、把需要剪成圆形的纸整理成正方形。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7a899e510fb30f2476647cd4c695d143ac4b036e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、沿着正方形其中一条对角线对折。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d833c895d143ad4be918d5178c025aafa40f0636?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、沿着上面等腰三角形的高对折。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/aec379310a55b319acd811a24da98226cefc17c7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、将上面的三角形再对折两次,用铅笔在边缘处画一条曲线。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a7ecf06d72df43ad4bd013026e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、用剪刀沿着曲线剪开。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f31fbe096b63f624f87daad48944ebf81b4ca3c1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、把得到的形状展开就是一个圆形了。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/024f78f0f736afc33d38acb2bd19ebc4b7451234?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)