1、打开3dsmax软件,新建一个空白文档。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/838ba61ea8d3fd1fba9a3f46204e251f95ca5f3f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、打开“创建”选项卡,选择“图形”项。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f9dcd100baa1cd117f24ef5ca912c8fcc3ce2d3f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、选择下拉菜单中的“NURBS曲线”,打开“对象类型”卷展栏。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b812c8fcc3cec3fdefac3a09c688d43f8794273f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、单击“点曲线”按钮。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/ac6eddc451da81cb18741eb14266d0160924313f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、打开“名称和颜色”卷展栏,为将要创建的点曲线选择一种颜色。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/5366d0160924ab18b0847c4b25fae6cd7b890b3f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、如图所示,我们在“透视”视图中开始绘制点曲线。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/4afbfbedab64034f455f5f7abfc379310a551d3f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、在“透视”视图中操作。
此时,一只手按住键盘上的“Ctrl”键不松手,另一只手向上拖动鼠标,如图所示,看到,在原始点的垂直高度位置创建出了新的点,也就是创建出了三维空间上的一个新点。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8b82b9014a90f6033e22013b2912b31bb051ed38?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、最后,在需要结束绘制的视口中单击鼠标右键,结束点曲线的绘制即可。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/29381f30e924b899cdaee4447e061d950a7bf638?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)