Do as you think is the best John. I'm sure the original templates would need heavy modifications to give a nice and smooth body. I don't know if starting from an existing template to modify it to desired shape it's easier than starting from scratch or, instead, doubles the work. I obtained my templates tracing every piece in CorelDraw line by line over the scans of the original model. Doing so a certain degree of imprecision is unavoidable and, effectively , I'm experiencing several fit issues in my build. This is the reason for I think, eventually, we will be forced to re-think all from the start. Unfortunately I don't have any 3D drawing knowledge so I can be of very little help in this process.