No supports required Total of 8 pieces : 4 wheels, 2 wings, car body and the base Printed out well the first time through. Needed slight sanding on the connecting parts (top part of the smoke) but other then that everything fit. What I did for post processing was sand and clipped the excess parts. I paints it with a base of acrylic gel mat to fill in cracks and so it was easier to paint on. Afterwards I Krazy Glued everything together and applied various layers of acrylic paint!