Objects have an over all scale transform history. So for example if you created a giant cube that object down 5000% it will attempt to apply certain operations with that scale in mind. You can reset it, telling it to use the current size as 100% (Hierarchy tab > Reset > Transform & Scale).
Or if you don't care about the pivot point or the modifier stack do a reset xform and collapse the stack.
To get around this in the future scale in sub-object mode (element, poly, edge vert) not in object mode.
Or it could be that you're working really really small?
Hopefully there isn't anything keeping you from scaling it up? You could always scale it back down, reset scale and export if that's an issue.
You could try adjusting the scene unit scale (Customize > Unit Setup). I normally start out with a measuring stick thats 6 ft high in unreal and source. It comes in real handy for roughing in scale.
Maybe using some kind of marker that you don't scale up. You size it to your object and that way you can shrink it back to that size when you're done. Maybe just copy a piece of it you know won't change.
Or use the objects scale itself.
Reset transform, the type in corridors box should now read 100.
Scale it up so its easier to work on (do not reset the scale or xform while working)
When you're done select the scale tool, type in 100 and it shrinks back down to the right size.
Before you export reset scale or xform.
Last edited by Mark Dygert; 06-29-2010 at 06:44 AM..