DavidM wrote:
I doubt you will find any wood patterns for your car, attached is the Packard body illustration for your model. If you have it professionally enlarged to the maximum size then draw scale grid lines on it using dimensions on the drawing , you can scale off missing dimensions.
Unless you can find an identical car with exposed wood this is about as good as you will get in my view.
The copy does not look very clear, send me your email by PM and I will try to send a better copy.