CAD Model Datasets

To help the evaluation of retrieval and classification algorithms of CAD and 3D models. We classified a small portion of CAD models available from the National Design Repository into manufacturing process and functional classifications.

• Manufacturing Classification (97 Models)
• Machined Models(55) [Download]
• Cast-then-Machined Models(42) [Download]


• Functional Classification (70 models) [Download]
• Bracket Models(9)
• Gear Models (12)
• Housing Models (6)
• Linkage Arm Models (13)
• Nut Models (7)
• Screw and Blot Models (18)
• Spring Models (5)

• Bricks and Cubes (27 Models)
• Bricks (11) [Download]
• Cubes (16) [Download]

• Primitive Models Classification (300 Models) [Download]
• Cube (101)
• Cylinder (141)
• Sphere (29)
• Torus (29)

• Lego Models (46 Models) [Download]
• Cylinder (5)
• Plate (30)
• Wheel (4)
• X-Shape (7)

• CAD Models with Various Refinement Settings (120 Models, VRML only) [Download]
• Hi Resolution (40)
• Med Resolution (40)
• Low Resolution (40)

• CAD Models Aquired Through 3D Laser Scanning (3 Models) [Download]