DeCoDE Lab
MIT

Engineering Datasets & Benchmarks

A curated list of engineering design datasets and benchmarks by the DeCoDE lab.

Engineering Datasets & Benchmarks

Featured Datasets

DrivAerNet++ Dataset

DrivAerNet++

DrivAerNet++ - 39 TB and 8,000 car designs with full CFD fields. Published at NeurIPS 2024, winner of an MIT Open Data Prize, and commercially licensed through MIT TLO.

Ship-D Dataset

Ship-D

Ship-D - 30,000 parametric ship hulls with wave-resistance labels, downloaded more than 126,000 times and the foundation of the ShipGen generative model.

LINKS Dataset

LINKS

LINKS - 100 million planar linkage mechanisms and 1.1 billion coupler curves from kinematic simulation.

BIKED Dataset

BIKED

BIKED - 4,500+ community-designed bicycles with parametric data and images. Seeded the BikeCAD AI tool.

OpenTO Dataset

OpenTO

OpenTO - 2.2 million topology optimization samples, the largest open TO corpus and the training foundation of our OAT foundation model.

VideoCAD Dataset

VideoCAD

VideoCAD - 41,000+ annotated CAD UI interaction videos for training UI agents (NeurIPS 2025).

Language Modelling Datasets

VLM Dataset Dataset & Benchmark

VLM Dataset

VLM dataset - A dataset of 1000+ tasks to evaluate vision language models.

DesignQA Dataset & Benchmark

DesignQA

DesignQA benchmark - A multimodal benchmark of 1,451 questions grounded in real engineering documentation for evaluating large language models, built from the Formula SAE competition rules.

Benchmarks

CarBench Benchmark

CarBench

CarBench - A comprehensive benchmark for neural surrogates on high-fidelity 3D car aerodynamics, evaluating eleven architectures on DrivAerNet++.

BikeBench Dataset & Benchmark

BikeBench

BikeBench - A bicycle design benchmark for generative models with objectives and constraints, combining parametric designs, images, and simulation-based performance evaluations.

CADBench Benchmark

CADBench

CADBench - A multimodal benchmark of 18,000 samples across five input modalities and six metrics for evaluating AI-assisted CAD program generation.

TREDBench Benchmark

TREDBench

TREDBench - A curated collection of 83 real-world tabular regression datasets with engineering labels for studying domain adaptation in tabular foundation models.

Engineering Classification Benchmark Benchmark

Engineering Classification Benchmark

Engineering Classification Benchmark - Eight tabular engineering design classification problems for evaluating new classification algorithms, from our "Untrained and Unmatched" paper.

Parametric/CAD-based

LINKS Dataset

LINKS

LINKS dataset - A dataset of 100 million planar linkage mechanisms and 1.1 billion coupler curves obtained from kinematic simulations. The dataset also contains curated curves, 100 million negative samples, and a publicly available simulation software.

BIKED Dataset

BIKED

BIKED dataset - A dataset of 4,512 bicycle models with parametric data, images, and segmented component images.

BIKED++ Dataset

BIKED++

BIKED++ dataset - A multimodal dataset of 1.4 million bicycle image and parametric CAD designs.

FRAMED Dataset

FRAMED

FRAMED dataset - A dataset of 4,500 bicycle frames and ten performance metrics obtained from structural simulations.

Aircraft Lift and Drag Dataset Dataset

Aircraft Lift and Drag Dataset

Aircraft Lift and Drag dataset - A dataset of lift and drag performance values of 4,045 3D aircraft models from Shapenet.

Turbo Compressors Dataset

Turbo Compressors

Turbo-compressors dataset - A dataset of 22 million turbo-compressors and their performance under different operating conditions.

VideoCAD Dataset

VideoCAD

VideoCAD dataset - A large-scale dataset of 41,000+ annotated CAD user-interface interaction videos for learning long-horizon UI interactions and 3D reasoning from CAD software.

GenCAD-Code Dataset

GenCAD-Code

GenCAD-Code dataset - Over 163,000 CAD-model image and CadQuery code pairs derived from the DeepCAD dataset, built for training vision-language models that generate editable CAD code. Hosted on Hugging Face.

SynthBal Dataset

SynthBal

SynthBal dataset - A 109 GB synthetically balanced CAD dataset from GenCAD-3D, with CAD programs, point clouds, meshes, and STLs, designed to correct complexity imbalance in CAD training data. Hosted on Hugging Face.

3D Models

DrivAerNet++ Dataset

DrivAerNet++

DrivAerNet++ - A large-scale multimodal dataset of 8000 detailed 3D car meshes and aerodynamic performance data comprising of full 3D pressure, velocity fields, and wall-shear stresses, point clouds and parts annotation.

DrivAerNet Dataset

DrivAerNet

DrivAerNet dataset - A dataset of 4000 detailed 3D car meshes and aerodynamic performance data comprising of full 3D pressure, velocity fields, and wall-shear stresses.

Autosurf Aircraft Dataset Dataset

Autosurf Aircraft Dataset

Autosurf aircraft dataset A dataset of 1,050 airplane models with segmentation labels, created using NASA's Open Vehicle Sketch Pad (OpenVSP).

Car Drag Coefficient (3D Cars) Dataset

Car Drag Coefficient (3D Cars)

Car Drag Coefficient - A dataset of 4,948 3D car meshes, their renderings, and their drag coefficients.

BlendedNet Dataset

BlendedNet

BlendedNet dataset - An open blended-wing-body aircraft aerodynamics dataset and surrogate model developed with MIT Lincoln Laboratory (IDETC 2025).

Structural and Topology Optimization

Topodiff Dataset

Topodiff

Topodiff topology optimization dataset - A dataset of 33,000 images corresponding to optimal topologies for diverse boundary conditions. The dataset also contains their physical fields, compliance values, and an additional 42000 non-optimal topologies.

OpenTO Dataset

OpenTO

OpenTO dataset - The largest open-source topology optimization corpus - 2.2 million SIMP-solved samples spanning varied domain shapes, resolutions, boundary conditions, and loads. Hosted on Hugging Face.

NITO-3D Dataset

NITO-3D

NITO-3D dataset - 122,000 optimized 3D topologies across varied resolutions and aspect ratios, generated with our GPU-based high-throughput topology optimization solver - an order of magnitude larger than prior public 3D datasets.

Design Geometry

Ship-D Dataset

Ship-D

SHIP-D dataset - A dataset of 30,000 ship hulls each with design and functional performance information, including parameterization, mesh, point-cloud, and image representations, as well as 32 hydrodynamic drag measures under different operating conditions.

Airfoils Dataset

Airfoils

Airfoil dataset - A synthetic dataset of 48,503 airfoils and their aerodynamic performance computed using OpenFOAM.

Sketches

Innovative Milk Frothers Dataset

Innovative Milk Frothers

Milk Frother dataset - A multimodal dataset of 1,126 milk frother sketches and their text descriptions. The dataset is derived from a milk frother dataset collected at the Brite lab.