I think they were called crow's nests. You might have better luck searching
on that term.

"pawelk" wrote in message
om...
Hello,

I'm a 3d designer , and i have to create a realistic XV-XVII century
pirate brids nest on the top of the mast. Cant find any reference
pictures how that could look like. Maybe someone here would heve
pictures like that.

Thanks in advance.

Paul Krzeminski