need some plans for 12` race board

[loosehead]

looking for a winter project.i have the foam and just kicking around ideas for dimensions.anybody have spec sheets to look at?thanks

[TallDude]

Download Shape3D Lite, it's free. Play with it, you'll figure it out. http://www.shape3d.com/  Here is a higher volume design I was playing around with. Get that hot wire going....

[loosehead]

thanks for the input.still trying to decide between high volume and more like a crossover board.