3PointsAlign可以在Blender中将模型根据选中的任意三个点作为基准，进行对齐操作
You can easily align and snap one object to another by drawing the lines from the target mesh to the source.
- Ability to recalculate rotation to fit the aligned object.
- Works even with applied transforms of source and target meshes.
- Diameter auto finding on the cylindrical objects.
- Ability to match the scale of the source and the target meshes.
- Works with modifiers stack.
- Interactive interface, minimum amount of actions.
支持的Blender版本：
- 2.8, 2.81, 2.82, 2.83, 2.9, 2.91, 2.92, 2.93
安装步骤：
- 将3Points_Align文件夹复制到Blender安装目录下的addons目录下，比如：C:\Program Files\Blender Foundation\Blender\2.xx\scripts\addons
- 打开Blender，在文件-用户设置-插件，即可看到安装的插件了
请先 ！