Generative Design & Engineering

[montez]

Megathread for apps, open source projects, and models that generate CAD, BIM, and 3D designs from text, images, and constraints.

[montez]

ForgeCAD from Ruben Kostandyan

A generative CAD app that uses a typescript based framework atop of a dual backend OpenCASCADE Technology (OCCT) and Manifold with LLM Skills to generate parametric models.

Website: https://forgecad.io/
Github: https://github.com/KoStard/forgecad-public-kit
X: https://x.com/ForgeCAD

Formats: STEP, STL, 3MF
Kernel: Manifold, OpenCASCADE

Ruben is an Applied Scientist at Amazon.

[montez]

Text-to-CAD from Jake Fitzgerald

A collection of agent skills for CAD, robotics and hardware design

Website: https://www.cadskills.xyz/
GitHub: https://github.com/earthtojake/text-to-cad/blob/main/skills/cad/SKILL.md
X: https://x.com/earthtojake

Formats: STEP, DXF
Kernel: OpenCASCADE (build123d based)

Jake is a software engineer at South Park Commons.

[montez]

Raven from Moritz Rietschel, Philipp Hölzenbein, and Maximilian Rietschel

An agent inside Rhino 8 that turns a text prompt or a reference image into native, editable Grasshopper definitions.

Website: https://raven.build/
X: https://x.com/ravencad
Instagram: https://www.instagram.com/ravencad/
YouTube: https://www.youtube.com/@RavenCAD
Discord: https://discord.com/invite/nXbkvwXwBh

Formats: 3DM, STEP, IGES, DWG, DXF, OBJ, STL, 3MF, SVG, PDF
Kernel: openNURBS (Grasshopper definitions based)

Moritz, Philipp, and Maximilian are the co-founders of Raven.

[montez]

SKY-001 from Skyfall AI

A world model that turns an image, text prompt, or spatial constraints into a hierarchy of CAD assemblies and parts, with the sketches and operations that build each part. It also generates BIM floor plans from a building outline.

Website: https://skyfall.ai/sky-001
Announcement: https://skyfall.ai/blog/introducing-sky-001
X: https://x.com/skyfallai

Outputs: Part hierarchies, 2D sketches, 3D construction steps, BIM floor plans
Announced: October 2026
Availability: Waitlist

Skyfall AI is founded by Sam Pasupalak, Kaheer Suleman, and Sumit Pasupalak. Sam and Kaheer co-founded Maluuba, which Microsoft acquired.

[montez]

Zoo Design Studio from Jessie Frazelle, Jordan Noone, and Jenna Bryant

An AI-native CAD app whose Zookeeper agent builds and edits parametric models as KCL code from text, images, and sketches.

Website: https://zoo.dev/design-studio
GitHub: https://github.com/KittyCAD/modeling-app
X: https://x.com/zoodotdev

Formats: KCL, STEP, STL, GLB, OBJ, PLY
Kernel: Zoo geometry engine (proprietary, GPU-based, cloud-hosted)

Jessie, Jordan, and Jenna are the co-founders of Zoo, formerly KittyCAD.

[montez]

Adam from Zach Dive and Aaron Li

AI CAD tools for hardware teams. CADAM is an open source text-to-CAD web app that generates parametric OpenSCAD, and Adam Copilot edits native features inside Onshape, Fusion, and SolidWorks.

Website: https://adam.new
GitHub: https://github.com/Adam-CAD/CADAM
X: https://x.com/adamdotnew

Formats: SCAD, STL, DXF (CADAM)
Kernel: OpenSCAD in WebAssembly (CADAM), host CAD kernel (Copilot)

Zach and Aaron are the co-founders of Adam.

[montez]

Backflip from Backflip AI

A foundation model for CAD that rebuilds 3D scans, photos, and 2D engineering drawings as parametric 3D models with full feature trees.

Website: https://www.backflip.ai

Input: 3D scans and meshes, photos, 2D engineering drawings
Output: Parametric 3D models with sketches, constraints, and feature trees
Availability: Autodesk Fusion add-in and web app, Onshape plug-in coming soon

Backflip was founded by the team behind Markforged.

[montez]

MecAgent

An AI copilot that generates parts, assemblies, and drawings inside SolidWorks from text, a spec sheet, a drawing, or a STEP file.

Website: https://mecagent.com

Formats: Native SolidWorks parts, assemblies, and drawings, STEP input
Kernel: SolidWorks 2024, 2025, 2026

[montez]

Cartesian from Yiping Goh and Carlos Bañón

An AI 3D modeling tool for architecture and product design that turns text, photos, plans, and sketches into editable solids and assemblies.

Website: https://www.formas.ai/cartesian
X: https://x.com/FormasAI

Formats: 3DM, SKP, STL
Kernel: Proprietary CAD kernel layer built for AI agents
Availability: Preview waitlist

Yiping is the co-founder and CEO of Formas.AI, and Carlos is a co-founder.

[montez]

SimpleCADAPI from PhySpace

An agent-native Python CAD SDK where a coding agent writes parametric models as marimo notebooks, with solved assemblies and a hand-off to FEM.

Website: https://physpace.dev/
GitHub: https://github.com/PhySpace/SimpleCADAPI

Formats: STEP (AP242), FCStd, STL, MJCF
Kernel: OpenCASCADE (OCP)

[montez]

FutureCAD from Jiahao Li, Qingwang Zhang, Qiuyu Chen, Guozhan Qiu, Yunzhong Lou, and Xiangdong Zhou

An open-weight 7B model that writes CadQuery programs from text, paired with a second model that resolves fillet and chamfer edge selections on the resulting B-rep.

Hugging Face: https://huggingface.co/jhlee11/FutureCAD-7B
GitHub: https://github.com/JohanStackk/FutureCAD
Paper: https://arxiv.org/abs/2603.11831

Formats: CadQuery, STEP, STL
Kernel: CadQuery, OpenCASCADE
License: Apache-2.0 weights, MIT code