Never done a roof yet Ian but if I was asked tommorow I would use regular 751 and start with a strip of squares 3-4 deep running down the middle length ways and work out from there.
Ian
any decent vinyl will do
the mini site has the pictures but a little tip, leave the corners as the original roof colour, it make all the squares "square"
The mini starts with 2 at the front and then 3 across.
The ones I have done for the new Minis are done like Peter said, 2, then 3 from the front. We shape ours at the front and sides though to follow the curve of the roof although its not completely necessary.
There seems to be a trend at the moment that is seeing loads of checkerboard roofs on VWs too.
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