Base Classification =================== This classification divides the models into a training and test set with fine grained classes, each with 907 models. The classification spans a large variety of classes including animals, plants, airplanes, furniture, vehicles, etc. The categorization has a multiple level hierarchy described in the .cla classification document. The first levels of the hierarchy are based on the gross function of the model, while the remaining levels of the hierarchy distinguish between models based on geometric shape. Classification Properties ========================= train test # Models 907 907 # Leaf Categories 90 92 # All Categories 129 131 There are some categories that do not have any models directly, but serve as the parent classes of more specific categories.