3dm格式模型用什么软件打开?

3dm格式模型用Rhinoceros(犀牛)软件打开，具体打开操作步骤如下：
1、首先确定文件是以*.3dm为后缀名存在。
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2、然后打开Rhinoceros(犀牛)软件到主窗口，在主窗口点击界面上方文件选项，再点击打开选项。
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3、打开窗口中，按照路径找到3dm文件并选中点打开，打开以后就可以查看3dm文件的内容了。
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4、其中看到的四个视口代表不同的视角。
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