Never mind...I found it.
On 5/25/05, Drew <[EMAIL PROTECTED]> wrote:
> I want to build a 3d model, and am finding the available tools
> difficult for my particular application. Since I know the geometry of
> the aircraft model I want to create, I think it might be easier to
> build the file myself.
> Is there a specification somewhere that describes how to construct a
> .ac file? Is this a FlightGear-specific format, or some kind of
> generic 3d model format?
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