DeCoDE Lab
MIT

Software & Code

Open-source code and tools from our publications and projects

Featured Tools

IEA 22-MW Reference Floating Tower Tool

IEA 22-MW Reference Floating Tower

The lab's AI-driven tower redesign, adopted as the official floating tower in the IEA Wind 22-MW reference turbine repository maintained by the National Laboratory of the Rockies and DTU.

IEA-22-280-RWT Repository FLOAT Code

pyFANTOM Tool

pyFANTOM

An efficient pythonic FEA and topology optimization platform with GPU/CPU acceleration and multi-threading. Powers our PGD-TO and Optimize Any Topology research.

Documentation GitHub

LINKS Simulator & Designer Tool

LINKS Simulator & Designer

Interactive web tools for planar linkage mechanism simulation and path-synthesis design, built on the 100-million-mechanism LINKS dataset.

Simulator Synthesis Demo GitHub

CADFit Tool

CADFit

A hybrid-optimization CAD reconstruction framework that recovers complex, editable CAD construction sequences from meshes using geometric feedback (ICML 2026).

GitHub

BikeCAD AI Tool

BikeCAD AI

AI-assisted bicycle design in BikeCAD, seeded by our BIKED dataset in partnership with BikeCAD.

BikeCAD AI Tool

From Our Publications & Projects

GIT-BO: High-Dimensional Bayesian Optimization with Tabular Foundation Models Code

GIT-BO: High-Dimensional Bayesian Optimization with Tabular Foundation Models

Yu, R. T.-Y., Picard, C., Ahmed, F.

In ICLR 2026
FLOAT: Fatigue-Aware Design Optimization of Floating Offshore Wind Turbine Towers Code

FLOAT: Fatigue-Aware Design Optimization of Floating Offshore Wind Turbine Towers

Ribeiro, J. A., Pimenta, F., Ribeiro, B. A., Tavares, S. M. O., Ahmed, F.

Under Review
PGD-TO: A Scalable Alternative to MMA Using Projected Gradient Descent for Multi-Constraint Topology Optimization Code

PGD-TO: A Scalable Alternative to MMA Using Projected Gradient Descent for Multi-Constraint Topology Optimization

Heyrani Nobari, A., Ahmed, F.

In Structural and Multidisciplinary Optimization (in press)
FIRE: Multi-fidelity Regression with Distribution-conditioned In-context Learning using Tabular Foundation Models Code

FIRE: Multi-fidelity Regression with Distribution-conditioned In-context Learning using Tabular Foundation Models

Yu, R. T.-Y., Sung, N., Ahmed, F.

In ICML 2026
CarBench: A Comprehensive Benchmark for Neural Surrogates on High-Fidelity 3D Car Aerodynamics Code

CarBench: A Comprehensive Benchmark for Neural Surrogates on High-Fidelity 3D Car Aerodynamics

Elrefaie, M., Shu, D., Klenk, M., Ahmed, F.

Under Review
BlendedNet: A Blended Wing Body Aircraft Dataset and Surrogate Model for Aerodynamic Predictions Code

BlendedNet: A Blended Wing Body Aircraft Dataset and Surrogate Model for Aerodynamic Predictions

Sung, N., Spreizer, S., Elrefaie, M., Samuel, K. M., Jones, M. C., Ahmed, F.

In IDETC 2025
CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generation Code

CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generation

Doris, A. C., Alam, M. F., Heyrani Nobari, A., Ahmed, F.

In IDETC 2025
Optimize Any Topology: A Foundation Model for Shape-and Resolution-Free Structural Topology Optimization Code

Optimize Any Topology: A Foundation Model for Shape-and Resolution-Free Structural Topology Optimization

Heyrani Nobari, A., Regenwetter, L., Picard, C., Han, L., Ahmed, F.

In NeurIPS 2025
Activation-Informed Merging of Large Language Models Code

Activation-Informed Merging of Large Language Models

Heyrani Nobari, A., Alim, K., ArjomandBigdeli, A., Srivastava, A., Ahmed, F., Azizan, N.

In NeurIPS 2025
VideoCAD: A Dataset and Model for Learning Long-Horizon 3D CAD UI Interactions from Video Code

VideoCAD: A Dataset and Model for Learning Long-Horizon 3D CAD UI Interactions from Video

Man, B., Nehme, G., Alam, M. F., Ahmed, F.

In NeurIPS 2025
BikeBench: A Bicycle Design Benchmark for Generative Models with Objectives and Constraints Code

BikeBench: A Bicycle Design Benchmark for Generative Models with Objectives and Constraints

Regenwetter, L., Abu Obaideh, Y., Chiotti, F. M. C., Lykourentzou, I., Ahmed, F.

In NeurIPS 2025
Diverse weighted bipartite b-matching Code

Diverse weighted bipartite b-matching

Ahmed, F., Dickerson, J. P., Fuge, M.

In IJCAI 2017
Bike-Bench Code

Bike-Bench: A Bicycle Design Benchmark for Generative Models with Objectives and Constraints

Lyle Regenwetter, Yazan Abu Obaideh, Fabien Chiotti, Ioanna Lykourentzou, Faez Ahmed

Project Page
NITO Code

Neural Implicit Topology Optimization

Amin Heyrani Nobari, Giorgio Giannone, Lyle Regenwetter, Faez Ahmed

Project Page
BIKED++ Code

A Multimodal Dataset of 1.4 Million Bicycle Image and Parametric CAD Designs.

Lyle Regenwetter, Yazan Abu Obaideh, Amin Heyrani Nobari, Faez Ahmed

Project Page
DOM-TA Code

Aligning Optimization Trajectories with Diffusion Models for Constrained Design Generation

Giorgio Giannone, Akash Srivastava, Ole Winther, Faez Ahmed

Project Page
PFNs for Engineering Design Code

Untrained and Unmatched: Fast and Accurate Zero-Training Classification for Tabular Engineering Data

Cyril Picard, Faez Ahmed

Project Page
MMML Vehicle Rating Prediction Code

Multi-modal Machine Learning for Vehicle Rating Predictions using Image, Text, and Parametric Data

Hanqi Su, Binyang Song, Faez Ahmed

Project Page
MCD Code

A Model-Agnostic Counterfactual Search Method For Multi-modal Design Modifications

Lyle Regenwetter, Yazan Abu Obaideh, Faez Ahmed

Project Page
Metrics Code

Beyond Statistical Similarity: Rethinking Evaluation Metrics for Deep Generative Models in Engineering Design

Lyle Regenwetter, Akash Srivastava, Dan Gutfreund, Faez Ahmed

Project Page
TOPODIFF Code

Diffusion Models Beat GANs on Topology Optimization

François Mazé, Faez Ahmed

Project Page
CreativeGAN Code

Editing Generative Adversarial Networks for Creative Design Synthesis

Amin Heyrani Nobari, Muhammad Fathy Rashad, Faez Ahmed

Project Page
PcDGAN Code

A Continuous Conditional Diverse Generative Adversarial Network For Inverse Design

Amin Heyrani Nobari, Wei Chen, Faez Ahmed

Project Page
Range-GAN Code

Range-Constrained Generative Adversarial Network for Conditioned Design Synthesis

Amin Heyrani Nobari, Wei Chen, Faez Ahmed

Project Page
Form and Function Code

Design Form and Function Prediction From a Single Image

Kristen M. Edwards, Vaishnavi L. Addala, Faez Ahmed

Project Page
NLP in Design Evaluation Code

If a Picture is Worth 1000 Words, is a Word Worth 1000 Features for Design Metric Estimation?

Kristen M. Edwards, Aoran Peng, Scarlett R. Miller, Faez Ahmed

Project Page