F1 steering wheel replica. drawn from a photo of the 2013 Ferrari wheel. I will scale to approx 200 mm x 125 mm when i print. The knobs will need scaling, but not sure until i print the wheel what size they should be. holes in wheel should suit M3 countersunk screw, this is what I need to check. MK2 version is in progress. This will have moving paddles and a stand.I will print at 3 layers, 20% fill ABS you will also need 6 x M3 countersunk screws to hold the knobs in place.