Carving

//mods.chisel.Carving.addGroup(String name);
//mods.chisel.Carving.addVariation(String groupName, IItemStack stack);
mods.chisel.Carving.addGroup("test");
mods.chisel.Carving.addVariation("test", <minecraft:stone>);

//mods.chisel.Carving.removeGroup(String name);
//mods.chisel.Carving.removeVariation(String groupName, IItemStack stack);
mods.chisel.Carving.removeGroup("test");
mods.chisel.Carving.removeVariation("test", <minecraft:stone>);