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Cartesian – AI 3D Modeling for Design

Recorded: Sept. 15, 2026, 4:32 p.m.

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Cartesian by Formas | AI 3D Modeling for Design

Cartesianby Formas
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Cartesianby Formas
Anything to 3D.
Cartesian by Formas is an AI 3D modeling tool for architecture and product design.
Explore the model studies · Read the guides
Say it. Sketch it. Drag it in. It understands what you mean and builds it with maximum precision. Nothing to learn.

01 · EditabilityEvery part.Yours to edit.Change a chair. Keep the room. Each object has its own place in the model.
02 · PrecisionGeometry.With definition.Faces, edges and solids you can inspect, measure and change.
03 · TopologyExact solids.Clean topology.Native surfaces, precise edges and editable assemblies. No polygon-mesh approximations.
04 · BIMMeaning travelswith geometry.Named elements and explicit relationships give the model a structured path into BIM workflows.

Clear air · circulation

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Howthree moves, every time

A skylit restaurant like this one. Keep the booths along the wall exactly.

You can talk.

Say it.Like you would to a colleague.

Keep the booths
01 · Photograph02 · A rough planBooths kept exactly

Add what you have.A photo. A plan. A sketch, scan or model. What you keep stays exactly. The rest is free to change.
It's made.The restaurant, every chair, table and plant an exact part. Open it in SketchUp, Rhino or any CAD. Change anything by asking.

What you can makereal models, made by Cartesian
Product Design↗From an idea to an exact assembly. Shape, fit and refine every component with precision.3DM ↓0.7 MBSTL ↓8.4 MBFurniture↗Chairs, tables, shelving and seating. Shape each component, connection and material with precision.3DM ↓8.4 MBSTL ↓57.1 MBInterior↗A room from a scan or a plan. Furnish it, measure it, draw it.3DM ↓63.0 MBSTL ↓29.6 MBArchitecture↗Walls, floors, openings, stairs and structure from a drawing or a photo.3DM ↓11.5 MBSTL ↓2.9 MBResidential↗Homes, shared courtyards and gardens. From one dwelling to a whole neighbourhood, every part stays editable.3DM · ZIP ↓241.2 MBSTL · ZIP ↓74.8 MBUrban Design↗Streets, plazas and infrastructure. Shape the public realm above and below ground as one connected model.3DM ↓123.9 MBSTL ↓37.8 MBLandscape↗An elevated landscape of paths, planting, seating and structure.3DM · ZIP ↓209.1 MBSTL · ZIP ↓91.5 MB3DM: NURBS solids + mesh partsStructure and complex shape↗Gridshells, lattices, doubly curved surfaces as exact geometry.3DM ↓9.9 MBSTL ↓12.8 MBLarge scale↗Stadiums, arenas, stations and bridges, coordinated as one exact model.3DM · ZIP ↓116.2 MBSTL · ZIP ↓66.3 MB3DM: NURBS solids + mesh parts01 · Panel jointB11–B12 · T07–T08Manufacturing↗Panels unrolled, toolpaths, tolerances and fixings for CNC and fabrication.3DM · ZIP ↓84.8 MBSTL · ZIP ↓124.6 MB3D printing↗Any model at any scale, with the wall thicknesses your printer needs.3DM ↓52.8 MBSTL ↓1.5 MBVideo games↗Places and objects for a game world. Build the scene, then keep shaping it.3DM ↓83.3 MBSTL ↓3.7 MB

Across platforms. Across file formats.

Model and edit with precision.Bring your workflow with you—from BIM and AutoCAD to Rhino and SketchUp. Create exact solids and NURBS geometry in Cartesian, without a separate expensive desktop CAD licence.

AutoCAD.DWGPlanned
Rhino.3DMNative export
SketchUp.SKPNative export
BIM.IFCPlanned

Why

Real solids, not pictures.Measure it, cut it, print it, machine it.
Yours stays yours.What you keep is never redrawn. What clashes is said out loud.
It understands.What you mean, how things relate, what must not move.

Anything to 3D.
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Cartesianby Formas
Formas · Singapore · TokyoDocsJoin the preview waitlistBack to top ↑

Preview begins 18 September 2026
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PRIORITY FOR FORMAS FOUNDING CIRCLE + STUDIO
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Cartesian by Formas is presented as an artificial intelligence driven three-dimensional modeling tool designed for architecture and product design, emphasizing a precise, intuitive workflow where users can instruct the software by verbal commands, sketches, or imported data to generate detailed models with maximum accuracy. The foundational principles of the system revolve around editability, geometric precision, topological integrity, and integration with Building Information Modeling workflows. Users are empowered to manipulate individual components within the model, ensuring that every object retains its discrete spatial relationship, allowing for precise alterations to specific elements while maintaining the integrity of the overall structure.

The tool emphasizes geometric rigor through the concept of definition, allowing for the inspection, measurement, and modification of faces, edges, and solids. This approach mandates exact solids and clean topology, actively avoiding polygon-mesh approximations in favor of native surfaces and precise edges, which is critical for complex structural representation. Furthermore, the system supports a path toward Building Information Modeling by allowing named elements and explicit relational data within the model, thereby structuring the geometry into a pathway compatible with BIM workflows.

The capability of Cartesian by Formas extends across a vast spectrum of design domains, enabling the creation of highly specific models for various applications. This includes detailed architectural elements such as walls, floors, openings, and structural components, as well as complex spatial designs like residential homes or urban infrastructure, which can be managed as interconnected, editable models. For product design, the system facilitates the precise shaping of components, connections, and materials for items like furniture, including chairs and tables. It also supports specialized modeling for complex structures, offering tools for NURBS solids and mesh parts, and large-scale coordinate for coordinating large assemblies like stadiums. Specialized capabilities are also offered for manufacturing processes, such as generating panel joints, toolpaths, and tolerances necessary for CNC fabrication, and supporting 3D printing requirements.

The input process is flexible, allowing users to incorporate existing data such as photographs, rough plans, sketches, scans, or existing models. This process allows users to define which elements must be preserved exactly while granting freedom to modify the remaining components. This capability supports complex creative scenarios, such as defining the exact placement of architectural elements like restaurant booths based on verbal instructions, ensuring that the resulting model is an exact representation that can be exported to industry-standard formats.

In terms of interoperability, the system is designed to operate across multiple platforms and file formats. It supports native export capabilities for formats such as AutoCAD’s DWG, Rhino’s 3DM, SketchUp’s SKP, and BIM’s IFC, facilitating seamless integration into existing professional design ecosystems. The core philosophy behind the tool is to produce real solids rather than mere representations, ensuring that the geometry generated is suitable for physical manipulation in processes like measurement, cutting, printing, and machining. This commitment guarantees that spatial relationships are maintained, and any geometric conflicts are explicitly communicated, ensuring that what is specified is what is realized in the final product.