Netherlands
Joined: Sep 26, 2009
Post Count: 3991
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Re: How to Select all levels
When you export to OBJ format, then re-import, your design becomes an ordinary piece of furniture which you can resize easily. Only problem is that it has become one piece, so you can't work on the parts anymore.
If you have walls appearing in more than one level, you could change the wall height, or the level height, so that walls appear only in the level where they belong.