<t>Just a thought I had.<br/>
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Whay not have a default group for each level - with the same name.<br/>
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Then making a level invisible is just a matter of making the group invisible - just as it works now.<br/>
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I do realise that this assumes it is possible that one thing can live in ...

<t>I downloaded this about 6 months ago and used it to model an extension to my home.<br/>
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It is STUPIDLY good and I hate the way it makes me say "I wonder if I moved that over there...". I never get anything finished!<br/>
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OK, to the subject. Think I saw this on a forum message from a ...