Among other things, stephen parkinson wrote:

> toothbrush - i assume bristles are cylinders
> too new ?
> bend the ones at the ends of the brush section along the length of the
> toothbrush, and the ones in between splayed out slightly.
> have a look at a worn toothbrush maybe :-)

Well, I decided a worn toothbrush would be too hard a model to start with, 
so I jusd made a new, unused toothbrush. The bristles are rounded-tip 
cylinders, but they're not parallel, they're grouped in "locks" and have 
some rotation...

> the reflection of the toothbrush has some of the effect i think you need
> in the brush head itself

What do you mean? Do you think the reflection looks more worn-out than the 
"real" one?

> is lake victoria? really that big ?
> which lake is it then?

Judge yourself: http://www.yourchildlearns.com/africa_map.htm

It's the second largest freshwater lake, so I guess it's *that* big.

-- 
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