在图形绘制的时候,我们有时需要根据投影来绘制图形,下面我们就来看看给出两面投影怎么画第三个面的。
工具/原料:联想Lenovo、win7.0、CAD2017
1、首先我们使用CAD将我们需要使用的图形文件打开,如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/024f78f0f736afc3202887f0a119ebc4b745127a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、打开图形文件之后,我们再在左侧的工具箱内找到直线选项命令,如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9f510fb30f2442a7902a4530c343ad4bd113027a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、使用直线命令我哦们画出第三个面的中间的图形图形,如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5bafa40f4bfbfbedff7d8eea6af0f736afc31f7a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、在这个梯形图形的左侧再画出左侧图形的投影面,如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/ac4bd11373f082020ab629aa59fbfbedab641b7a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、再在这个梯形的右侧再画出右侧图形的投影面,这样给出两面投影我们就画出了第三个面,如图所示:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d833c895d143ad4b9c0afe5590025aafa40f067a?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)