Check out the links below. Turning a 22" or so piece.

http://69.36.7.211/attachment.php?attachmentid=8696

http://69.36.7.211/attachment.php?attachmentid=8697

Not sure who the manufacturer is, looks pretty sweet.

I asked about copy attachments a few weeks back, what I should
of asked about is something like this. I am not turning anything this
big, but upwards of 15".

Anyone ever seen anything like this but for a smaller lathe.

Thanks,
John