fengyu168 发表于 2016-10-2 18:20

利用TTR快速绘图

通过作辅助线利用TTR快速绘制圆
http://a3.qpic.cn/psb?/V1028K202rUcIV/VrtIogCKuAP.f5vwW7avmFT3arOF7Xpx5kT7gEedjAo!/b/dPYAAAAAAAAA&ek=1&kp=1&pt=0&bo=ugEXAgAAAAAFAI0!&su=0126186049&sce=0-12-12&rf=2-9

fengyu168 发表于 2016-10-2 18:58

http://a2.qpic.cn/psb?/V1028K202rUcIV/1rLTShihUiPDNnhP6yiPtkerviURhJyUttq.FkogXRE!/b/dK0AAAAAAAAA&ek=1&kp=1&pt=0&bo=SAI8BAAAAAAFAFE!&su=0121345377&sce=0-12-12&rf=2-9

fengyu168 发表于 2016-10-2 19:00

最后将多余的线修剪
http://a3.qpic.cn/psb?/V1028K202rUcIV/VrtIogCKuAP.f5vwW7avmFT3arOF7Xpx5kT7gEedjAo!/c/dPYAAAAAAAAA&ek=1&kp=1&pt=0&bo=ugEXAgAAAAAFAI0!&sce=60-2-2&rf=0-0
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