.mb and .ma formats. All seams are modeled in! No bump maps used to create seams, like other soccer ball models. Construction history, with Poly Smooth aplied, is maintained. So if you want fewer polys on the model all you have to do is change the smoothing level. Currently the smoothing level is set to 2; you can change it to 1 or 0 for fewer polys on the soccer ball. Suitable for all your soccer ball needs!