Cluster name;Description;Objects
Metal (Pure Metal);Hard, conductive materials primarily of steel/aluminum/stainless steel; common in cutlery, tools, and hardware;Fork, Knife Set, Pan, Rifle, Sword, Spoon, Teapot, Trophy, Outlet
Wood (Solid Wood);Natural or engineered wood products with grain; highly machinable;Board, Bookshelf, Book Table, Bed Table, Old Table, Door, Frame, Shutter, Wall Shelf, Box Shelf, Small Table, Working Table, Cabinet, Shelf, Stairs, Terrace, Table, Table Lamp
Glass;Inorganic non-metal transparent materials; brittle; formable into vessels or panels;Bottles, Vase, Window, Mirror, Old Mirror
Plastics/Polymers;Synthetic polymers; lightweight; moldable;Plastic Toy, Outlet, Switch, Keyboard, Coffee Cap, Bag
Fibers/Textiles (Cotton/Synthetics);Flexible textiles/nonwovens used for covering, insulation, and decoration;Cloth, Curtains, Bath Curtains, Carpet, Rug, Bath Rug, Old Couch Rug, Towel, Pillows, Teddy Toy, Toy Rabbit, Wallpaper, Blinds
Leather;Animal or synthetic leather; abrasion-resistant; used in bags, shoes, and upholstery;Leather Chair, Shoes, Bag, Old Bag
Paper/Cardboard/Cellulose;Pulp-based sheets and boards; lightweight; printable;Book, Book Set, Newspaper, Paper, Papers, Cardboard Box, Toilet Paper, Folder, Paintings, Photo, Paint Board, Main Box, Coffee Cap
Rubber;Highly elastic material, often combined for damping and anti-slip;Kid Bike, Shoes
Ceramics/Porcelain;High-temperature sintered; wear- and corrosion-resistant;Dishes, Mug, Toilet, Vase
Stone/Concrete/Brick (Mineral Aggregates);Brittle, heavy materials for building surfaces and foundations;Driveway, Road, Sidewalk, Floor, Roof, Base, Corner, Porch, Terrace, Fence, Outside Fence, Wall
Biological/Plant Materials;Natural plant/organic materials;Grass, Hedge, House Plant, Plant, Tree, Flowerpot
Foam/Filling Materials;Foamed polymers or fibrous fills for cushioning and upholstery;Pillows, Couch, Old Couch, Sofa, Bed, Child Bed, Fridge
Metal + Wood (Composite);Mixed load-bearing frames and decorative wood; common in furniture and fenestration;Attic Ladder, Bed, Child Bed, Wardrobe, Bookshelf, Door, Frame, Shutter, Window, Old Chair, Old Shelf, Old Table, Fence, Outside Fence
Metal + Plastic (Composite);Metal structure with plastic housings; common in appliances and tools;Fridge, Microwave, Oven, Coffee Machine, Kitchen Hood, Kid Bike, Typewriter, Radio, TV, Old TV, Monitor, Laptop, Keyboard, Outlet, Switch, Table Lamp, Lamp
Metal + Glass (Composite);Glass panels or mirrors combined with metal frames;Old Clock, Old Camera, Mirror, Window, Monitor, TV
Wood + Textile/Leather + Foam (Upholstery);Upholstery system: wood/metal frame + foam fill + textile/leather surface;Couch, Old Couch, Sofa, Leather Chair, Rolling Chair, Chair, Old Chair
Metal + Ceramic/Glass (Tableware);Metal supports/heating parts paired with ceramic/glass vessels;Teapot, Mug, Dishes
Wood + Plastic (Composite);Wooden structures with plastic parts (feet, handles, drawer glides, etc.);Cabinet, Drawer, Bookshelf, Table, Chair, Box, Box Shelf, Wall Shelf, Small Table, Working Table
Paper + Plastic/Adhesive Film (Laminates);Paper substrate laminated with plastic film or adhesive films;Sticker, Wallpaper, Ripped
Ceramic/Glass + Plastic (Household Containers);Brittle vessels paired with plastic lids/seals;Bottles, Coffee Cap, Vase
Metal + Wood + Plastic (Multi-material Furniture/Kitchenware);Common tri-material combo covering many home/kitchen items;Kitchen Set, Kitchen Goods, Bath Shelf, Bath Goods, Basket, Chair, Table Lamp, Lamp, Shelf, Cabinet, Box, Box Shelf, Wall Shelf, Bookshelf, Book Table, Bed Table, Outside Table, Working Table, Towel Handle
Metal + Plastic + Glass (Electronics/Appliances);Glass display/observation panel + metal structure + plastic housing;Laptop, Monitor, TV, Old TV, Radio, Microwave, Oven, Coffee Machine, Kitchen Hood, Fridge, Old Camera
Metal + Wood + Glass (Doors/Windows/Displays);Tri-material frames with transparent panels;Door, Window, Frame, Paintings, Mirror
Wood + Paper/Fiber (Books/Binding);Paper-centric items with fiber/cardboard binding or wooden mounts;Book, Book Set, Folder, Paint Board, Main Box, Photo
Metal + Rubber (Mobility/Sealing);Metal frames combined with rubber for grip and damping;Kid Bike, Shoes
Ceramic/Glass + Metal + Plastic (Bath/Kitchenware);Easy-to-clean brittle vessels combined with metal/plastic parts;Bath, Dishes, Mug, Toilet, Vase, Spoon
Mixed (Vehicles/Large Structures: Metal + Plastic + Glass);Typical tri-material combo for vehicles/large structures;Car, Ship, Kitchen Hood, Office Chair
Building Enclosure (Mineral + Wood/Metal Hybrid);Mineral-based enclosures supplemented with wood/metal rails and hardware;Fence, Outside Fence, Porch, Sidewalk, Terrace, Roof, Wall
Miscellaneous/Unclear Material (None);Objects not cleanly classifiable by a single-material rule or with unclear semantics;Proxy, Debris, Trash, Sphere, Strip, Base, Corner, Ripped, Kitchen Set, Main Box, House, Office Chair, Globe, Tree