<Working Link.

Sorry, I forgot about that. I think you would need to be a member of the Egroup "ISSDG" to see it, anyway.

I've copied the pic to my ISP. It's an example from Buckminster Fuller's acme of design.

I should mention that the original poster was Rober Clements, another Australian who posts regularly to ISSDG - he designs micromissions and is trying to get an Australian one up and running for a close pass at a NEO next time a handy one comes past. (Or is predicted to, this isn't an opportunistic launch for when we get surprised by one, but a deliberate planned visit to one expected in the future. See Yahoo Egroups - ISSDG - for the full story.