| Cluster name;Description;Objects |
| Rectangular Prisms (Cuboids/Elongated Blocks);Primarily rectangular/cuboid with clear edges; block/cabinet/board-like appearance;Bed, Child Bed, Bed Table, Book Table, Bookshelf, Cabinet, Drawer, Wardrobe, Old Table, Small Table, Table, Working Table, Box, Cardboard Box, Main Box, Box Shelf, Fridge, Oven, Microwave, Typewriter, Keyboard, Folder, Paint Board, Board, Photo, Mirror, Old Mirror, Old Shelf, Wall Shelf, Switch, Outlet, Radio, TV, Old TV, Monitor, Laptop, Paintings, Shutter, Blinds, Door, Window, House, Kitchen Set, Kitchen Hood, Terrace, Porch, Roof, Wall, Floor, Sidewalk, Driveway, Outside Fence, Fence, Outside Table, Shelf, Bath Shelf, Bath Rug, Carpet, Rug, Base, Strip |
| Squares / Near-Cubic;More equilateral blocks or surfaces with near-square proportions;Box, Cardboard Box, Book Set, Photo, Mirror, Paintings, Small Table, Table, Wardrobe, Cabinet, Drawer, Shutter, Window, Wall Shelf |
| Box/Case (Open or with Drawer);“Box/drawer-like” forms with visible walls and cavity;Box, Cardboard Box, Main Box, Drawer, Box Shelf, Microwave, Oven, Fridge |
| Planar/Flat Forms (Boards/Sheets/Art/Screens);Large area surfaces with small thickness, sheet/board-like;Board, Paint Board, Photo, Paintings, Mirror, Door, Window, Shutter, Blinds, Roof, Floor, Wall, Wallpaper, Carpet, Rug, Bath Rug, Strip |
| Circular / Disc-shaped;Top view circular or near-disc with continuous edge;Dishes, Coffee Cap, Old Clock, Table, Small Table |
| Rounded Rectangles / Curved-Edge Blocks;Rectangular overall with notably rounded corners/edges;Sofa, Couch, Old Couch, Pillows, Radio, TV, Old TV, Monitor, Laptop, Wardrobe, Cabinet |
| Cylinders;Height comparable to diameter; near-straight sidewall; top open or flat;Vase, Mug, Bottles, Trash Can, Flowerpot, Table Lamp, Toilet Paper, Tower Model |
| Spheres;Nearly equal in all 3 dimensions with continuous surface;Sphere, Globe |
| Cones / Conical / Tapered Forms;Tapering from base to tip;Tower Model, Flowerpot, Bottles |
| Bowl/Basin/Pot Shapes (Flared Rim);Large mouth with concave cavity;Pan, Mug, Teapot, Vase, Flowerpot |
| Container-with-Handle Assemblies;Cylindrical/bowl bodies combined with external handle(s);Mug, Pan, Teapot, Toilet |
| L-shaped;Overall plan/elevation forms with a clear “L” corner;Sofa, Couch, Kitchen Hood |
| Linear / Strip-like (Rods/Bars/Bands);Length ≫ cross-section; straight or slightly curved;Strip, Fence, Outside Fence, Hedge, Road, Towel Handle, Rifle, Sword |
| Stepped / Tiered;Discrete ascending structures made of repeated steps;Stairs, Attic Ladder, Outside Fence |
| Folded / Segmented Structures;Visible folds/slats/hinged segments repeated;Blinds, Curtains, Attic Ladder, Newspaper, Paper |
| Four-leg Chair Form (Seat + Back);Canonical four-leg support with seat and back;Chair, Leather Chair, Office Chair, Old Chair, Rolling Chair |
| Four-leg Table Form;Top panel on four corner posts/legs;Table, Small Table, Working Table, Outside Table, Old Table |
| Frame Forms (Hollow Rectangular/Round Frames);Perimeter frame forming a hollow outline;Frame, Window, Door, Photo |
| Column Arrays / Partition Grids;Repetitive posts/rails forming rhythmic grids;Fence, Outside Fence, Wall Shelf, Bookshelf |
| Upholstered Soft Blocks (Cushion-like);Soft, rounded blocks that deform under load;Sofa, Couch, Old Couch, Pillows, Old Couch Rug, Rug, Carpet, Bath Rug |
| Handled Utensil Form;Slender handle plus small working end;Fork, Spoon, Knife Set, Towel Handle |
| Long Rod / Slender Extended;Overall slender with small cross-section and notable length;Sword, Rifle, Tower Model, Typewriter, Arm |
| Display / Screen Rectangular Face;Dominant visible rectangular display surface;TV, Old TV, Monitor, Laptop |
| Upright Cabinetry (Case + Doors);Large rectangular case bodies with door panels;Wardrobe, Cabinet, Bookshelf, Old Shelf, Kitchen Set |
| Rectangular Openings (Doors/Windows);Rectangular wall openings and their closing panels;Door, Window, Shutter, Blinds |
| Containers (Upright Open Cavities);Distinct inner cavity; stand-up containers for holding;Trash Can, Vase, Flowerpot, Bottles, Mug, Pan, Teapot, Cloth Basket, Basket |
| Plants/Shrub Irregular (Organic);Branch/leaf complexity; irregular, fractal-like outlines;Tree, Plant, House Plant, Grass, Hedge |
| Textile/Flexible Irregular;Soft, draping forms whose outline varies with gravity;Cloth, Towel, Curtains, Old Bag, Bag, Papers, Paper, Newspaper, Teddy Toy, Toy Rabbit |
| Vehicle/Riding Forms (Composite);Streamlined composites built from multiple geometries;Car, Kid Bike, Ship |
| Ground/Paved Large Planes;Large continuous planes or bounded paving;Floor, Sidewalk, Driveway, Road, Terrace, Porch, Roof, Wall, Wallpaper |
| Device Matrix / Multi-unit Arrays;Regular tiling of similar rectangular units;Bookshelf, Wall Shelf, Blinds, Kitchen Set, Book Set |
| Round Lighting / Lampshade Form;Lamp bodies combining ball/cylinder/disc with shade;Table Lamp, Lamp |
| Trophy/Marker (Vertical Base + Top);Vertical composition of base plus decorative top;Trophy, Tower Model, Globe |
| Misc. Irregular / Proxy;Hard-to-classify or intentionally shapeless forms;Proxy, Debris, Trash, Ripped, Shoes, Old Camera, Old TV, Plastic Toy, Toy, Paintings, Corner, Arm, Base, Kitchen Goods, Bath Goods, Bath Decor, Bath, Toilet, Radio, Photo |
