What am I missing #2

[Laggingbehind]

Great result from my first post so I'm hoping this will be something simple too.

I've taken on board the advice from last time...another piece of useful info I learnt today & I can't see any stray lines anywhere. As a component it seems fine but when you import it into a drawing again I get this enlarged perimeter box.

Saved as "driving me mad shelf" in the warehouse.

Help would be greatly appreciated

[Box]

You can copy and paste the warehouse link into your post.
Like this https://3dwarehouse.sketchup.com/model.html?id=8bbf4a7a-918b-400d-b735-19c1612d363e

Your issue is again just stray geometry. Find it and delete it.
But I now see this is a dynamic component, so why, where or what it is doing there is another question.

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[Laggingbehind]

Thanks Box... you're my hero of the day. Today has been a good learning day