You should have said to see it over at p.b.i., David ; )
What's needed is a spline curve to place the individual tractor treads
on. Colefax's Spline Generator should do well for such a thing. Just
position some key points at the wheels (may need a few points each to
get the proper bend and straightening) and a couple perhaps for the
sag at upper part.
I've always wanted to do one of these myself so maybe I'll give it a
go and if you can't get it right yourself I could post the script
later, but may be a long wait.
Bob
David Wilkinson <dav### [at] cwcom net> wrote in message
news:zHDZN34UTmxX96Pq6vLYCrFwCaXG@4ax.com...
> Yes, please let us see all the geometry of the tracks.
> David
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