> Love the wheel; the robot looks cool, too.
>
> One suggestion I would offer would be to give the wheel's various parts a
> different 'orientation' of the wood grain... the 'inner' circle, the outer
> circle, and the handles. And maybe some kind of small-scaled normals(?). As-is,
> the wood looks a bit plastic-like (or, to put a better way: as if it was cast as
> one piece, out of a single material from a mold.)
>
I must agree on that one. The wheel and it's base have exactly the same 
grain.
I'd use one kind of wood for the base. A second kind for the rim and hub 
of the wheel, and a third, similar to the second, for the handles and 
spokes, the later been oriented radialy for each spoke.

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