经典案例图书
这个是原论坛贴内容,也可以创建不可编辑的基准轴
So I discovered something this morning and thought I'd put it out there for you guys as a challenge.
The thing to note is that these planes are not editable and have no parent relationships. They are almost* equivalent to default planes.
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* The minor difference is that we are allowed to flip normal
By the way this technique can also be used for other features. You want a default axis? No problem.
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I can't imagine too many use cases, but thought you might enjoy the puzzle.
One extra clue/limitation.. It is not possible to rename them.
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