"scott" <spa### [at] spamcom> wrote in message news:4401ff0a@news.povray.org
> "St." <dot### [at] dotcom> wrote in message news:4401f5e9@news.povray.org
>>> I also attach the wings model if you want to look at it.
>>
>>   Thanks. That helped a lot Scott.
>>
>>>
>>> Any advice on what I've done wrong (and more usefully how to fix
>>> it!) would be great.
>>
>>    Ok, for some reason, you have 2 vertices pointing to one vertex
>> (many times) from when you mirrored your seat - this will give
>> artifacts. Funny thing is, I thought you meant the 'arms' of the
>> seat in your original image... ;o)
>
> Thanks so much for the tips, things like that are good because
> often I go about a very long winded way of doing things based on
> the tutorials I have read.
>
> Ermm, yeh, I think I have two separate problems upon investigation
> :-)
> 1) As you explain when I mirrored, some faces don't seem to get
> "joined". This was an error on my part, I only selected one face
> and chose "mirror", rather than all of the ones that were down the
> middle.  I didn't realise that it wouldn't automatically "join" the
> rest of them that were touching (or almost touching).  It works
> much better now thanks.
> 2) In the "arm" (see attached image for clarification, the lower
> image is just "shaded" mode) there is still something weird going
> on.  Can you see it on your computer?  When you do subdivision or
> shaded view it looks like this face is actually there twice for
> some reason.

OK I fixed it myself by doing a few face "dissolves" and connecting back 
points together again.

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