From Idea to CAD: A Language Model-Driven Multi-Agent System for Collaborative Design
On the map: LLM agents and tool use → Multimodal and embodied agents
Abstract (arXiv)
Creating digital models using Computer Aided Design (CAD) is a process that requires in-depth expertise. In industrial product development, this process typically involves entire teams of engineers, spanning requirements engineering, CAD itself, and quality assurance. We present an approach that mirrors this team structure with a Vision Language Model (VLM)-based Multi Agent System, with access to parametric CAD tooling and tool documentation. Combining agents for requirements engineering, CAD engineering, and vision-based quality assurance, a model is generated automatically from sketches and/ or textual descriptions. The resulting model can be refined collaboratively in an iterative validation loop with the user. Our approach has the potential to increase the effectiveness of design processes, both for industry experts and for hobbyists who create models for 3D printing. We demonstrate the potential of the architecture at the example of various design tasks and provide several ablations that show the benefits of the architecture's individual components.
Key facts. Cited by 14 papers in the map (data through 7 Oct 2026). Placed in Multimodal and embodied agents, one of 16 directions in LLM agents and tool use. Builds on 13 of its 23 references that are in the map. First posted on arXiv 6 Mar 2025.
Builds on
13 of 23 references.
References · 13
- 2020Language Models are Few-Shot Learnerscited by 32,199
- 2024The Llama 3 Herd of Modelscited by 14,192
- 2023Reflexion: Language Agents with Verbal Reinforcement Learningcited by 4,064
- 2023Generative Agents: Interactive Simulacra of Human Behaviorcited by 3,500
- 2023ChatDev: Communicative Agents for Software Developmentcited by 893
- 2023Vision-Language Models for Vision Tasks: A Surveycited by 834
- 2023Text-to-image Diffusion Models in Generative AI: A Surveycited by 264
- 2024Generating CAD Code with Vision-Language Models for 3D Designscited by 61
- 2023From Concept to Manufacturing: Evaluating Vision-Language Models for Engineering Designcited by 51
- 2023CoPAL: Corrective Planning of Robot Actions with Large Language Modelscited by 39
- 2024OpenECAD: An Efficient Visual Language Model for Editable 3D-CAD Designcited by 26
- 2024Generative AI-based Prompt Evolution Engineering Design Optimization With Vision-Language Modelcited by 3
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Citing papers per year: 2025: 9; 2026: 5.
14 papers.
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- 2025CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generationcited by 39
- 2025Seek-CAD: A Self-refined Generative Modeling for 3D Parametric CAD Using Local Inference via DeepSeekcited by 22
- 2025AI Agents in Engineering Design: A Multi-Agent Framework for Aesthetic and Aerodynamic Car Designcited by 20
- 2025Large Language Models for Computer-Aided Design: A Surveycited by 16
- 2026Text-to-CAD Evaluation with CADTestscited by 9
- 2025EvoCAD: Evolutionary CAD Code Generation with Vision Language Modelscited by 6
- 2025Toward Autonomous Engineering Design: A Knowledge-Guided Multi-Agent Frameworkcited by 5
- 2026Physics-in-the-Loop: A Hybrid Agentic Architecture for Validated CAD Engineering Designcited by 3
- 2025Human-in-the-Loop: Quantitative Evaluation of 3D Models Generation by Large Language Modelscited by 2
- 2025GACO-CAD: Geometry-Augmented and Conciseness-Optimized CAD Model Generation from Single Imagecited by 2
- 2026CADIR: A Cross-Backend Editable Intermediate Representation for Agentic CAD Generationcited by 2
- 2025Helmsman: Autonomous Synthesis of Federated Learning Systems via Collaborative LLM Agentscited by 1
2 more
- 2026CADIR: A Cross-Backend Editable Intermediate Representation for Agentic CAD Generation1 Aug 2026
- 2026Memory-Augmented Reinforcement Learning Agent for CAD Generation19 May 2026
- 2026Physics-in-the-Loop: A Hybrid Agentic Architecture for Validated CAD Engineering Design19 May 2026
- 2026Text-to-CAD Evaluation with CADTests8 May 2026
- 2026PLLM: Pseudo-Labeling Large Language Models for CAD Program Synthesis13 Feb 2026
- 2025Toward Autonomous Engineering Design: A Knowledge-Guided Multi-Agent Framework5 Nov 2025
- 2025GACO-CAD: Geometry-Augmented and Conciseness-Optimized CAD Model Generation from Single Image20 Oct 2025
- 2025Helmsman: Autonomous Synthesis of Federated Learning Systems via Collaborative LLM Agents16 Oct 2025
- 2025EvoCAD: Evolutionary CAD Code Generation with Vision Language Models13 Oct 2025
- 2025Human-in-the-Loop: Quantitative Evaluation of 3D Models Generation by Large Language Models6 Sep 2025
- 2025Seek-CAD: A Self-refined Generative Modeling for 3D Parametric CAD Using Local Inference via DeepSeek23 May 2025
- 2025CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generation20 May 2025
- 2025AI Agents in Engineering Design: A Multi-Agent Framework for Aesthetic and Aerodynamic Car Designcited by 20
- 2025Toward Autonomous Engineering Design: A Knowledge-Guided Multi-Agent Frameworkcited by 5
- 2026Physics-in-the-Loop: A Hybrid Agentic Architecture for Validated CAD Engineering Designcited by 3
- 2026CADIR: A Cross-Backend Editable Intermediate Representation for Agentic CAD Generationcited by 2
- 2025Helmsman: Autonomous Synthesis of Federated Learning Systems via Collaborative LLM Agentscited by 1
- 2026Memory-Augmented Reinforcement Learning Agent for CAD Generationcited by 0
- 2026CADIR: A Cross-Backend Editable Intermediate Representation for Agentic CAD Generation1 Aug 2026
- 2026Memory-Augmented Reinforcement Learning Agent for CAD Generation19 May 2026
- 2026Physics-in-the-Loop: A Hybrid Agentic Architecture for Validated CAD Engineering Design19 May 2026
- 2025Toward Autonomous Engineering Design: A Knowledge-Guided Multi-Agent Framework5 Nov 2025
- 2025Helmsman: Autonomous Synthesis of Federated Learning Systems via Collaborative LLM Agents16 Oct 2025
- 2025AI Agents in Engineering Design: A Multi-Agent Framework for Aesthetic and Aerodynamic Car Design30 Mar 2025
- 2025CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generationcited by 39
- 2025Large Language Models for Computer-Aided Design: A Surveycited by 16
- 2026Text-to-CAD Evaluation with CADTestscited by 9
- 2025EvoCAD: Evolutionary CAD Code Generation with Vision Language Modelscited by 6
- 2025Human-in-the-Loop: Quantitative Evaluation of 3D Models Generation by Large Language Modelscited by 2
- 2025GACO-CAD: Geometry-Augmented and Conciseness-Optimized CAD Model Generation from Single Imagecited by 2
- 2026PLLM: Pseudo-Labeling Large Language Models for CAD Program Synthesiscited by 0
- 2026Text-to-CAD Evaluation with CADTests8 May 2026
- 2026PLLM: Pseudo-Labeling Large Language Models for CAD Program Synthesis13 Feb 2026
- 2025GACO-CAD: Geometry-Augmented and Conciseness-Optimized CAD Model Generation from Single Image20 Oct 2025
- 2025EvoCAD: Evolutionary CAD Code Generation with Vision Language Models13 Oct 2025
- 2025Human-in-the-Loop: Quantitative Evaluation of 3D Models Generation by Large Language Models6 Sep 2025
- 2025CAD-Coder: An Open-Source Vision-Language Model for Computer-Aided Design Code Generation20 May 2025
- 2025Large Language Models for Computer-Aided Design: A Survey13 May 2025
Similar, not cited
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- 2025CADDesigner: Conceptual CAD Model Generation with a General-Purpose Agent
- 2026Design-to-Plan: A Large Language Model-Based Multi-Agent Framework for Manufacturing Process Planning from 3D CAD Models and 2D Engineering Drawings
- 2026ArtisanCAD: An Industrial-Level CAD Agent with Expert-Grounded Knowledge Distillation
- 2025A Multidisciplinary Design and Optimization (MDO) Agent Driven by Large Language Models
- 2026LLM-Aided Design for Manufacturing: A Multi-Agent System for Intent-Preserving Redesign of CAD for Improved Manufacturability
- 2026ArtiCAD: Articulated CAD Assembly Design via Multi-Agent Code Generation
- 2026Zero-to-CAD: Agentic Synthesis of Interpretable CAD Programs at Million-Scale Without Real Data
- 2026TOOLCAD: Exploring Tool-Using Large Language Models in Text-to-CAD Generation with Reinforcement Learning