ACE3/addons/repair/data/model.cfg

class CfgSkeletons {
    class Default {
        isDiscrete = 1;
        skeletonInherit = "";
        skeletonBones[] = {};
    };
};

class CfgModels {
    class Default {
        skeletonName = "";
        sectionsInherit = "";
        sections[] = {};
    };

    class ace_wheel: Default {
        skeletonName = "";
        sectionsInherit = "";
        sections[] = {
            "mat_tyre",
            "mat_rim"
        };
    };

    class ace_track: Default {
        skeletonName = "";
        sectionsInherit = "";
        sections[] = {
            "mat_track"
        };
    };

    class material_dummy: Default {};
};