Roy,I made mine from 1/4" Ply,to transfer the pattern for the vents I used a piece of stiff paper cut to the same shape and used charcoal to 'brass rub' the pattern/vents onto the paper then transferred it to the ply.
Plans are to cover it in leather when funds allow.
Drivers kick panel.

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.