Zoo Design Studio
Zoo Design Studio: A free, open-source CAD option for teams combining visual modeling with KCL and AI. Ranked #33 of 80 in 3D CAD Software by our editors (6.1/10); pricing: Free plan; best for free open-source CAD with code and cloud options.
At a glance
- Editor score6.1 / 10
- PricingFree plan
- Best forFree open-source CAD with code and cloud options
- Free planYes
- Assembly designYes
- Founded2021 · Los Angeles, California, United States
- Facts checked19 Sep 2026
Where it wins
- Combines parametric solids, surface modeling, and assembly workflows
- Supports KCL programming and conversational AI model creation and editing
- Runs on Windows, macOS, Linux, and the web, with cloud synchronization
Where it doesn't
- Dedicated sheet-metal tools are not part of its verified feature set
- Its engineering-specific toolset is narrower than established CAD suites
- Cloud-synced work may be less suitable for workflows requiring desktop-only files
Our verdict on Zoo Design Studio
Zoo Design Studio brings visual and code-based design into a CAD platform aimed at engineering and manufacturing teams. Its hybrid workflow pairs point-and-click sketching and editable feature history with KCL programming, while Zookeeper offers conversational AI-assisted creation and editing of parametric models. The platform is open source and has a free plan, and it runs as a desktop application on Windows, macOS, and Linux or in a web browser. That combination makes it worth considering for teams that want to explore parametric CAD without starting with a paid plan, especially if code and AI-assisted modeling are relevant to their process.
The modeling toolkit spans solid operations such as extrude, sweep, loft, revolve, shell, holes, and booleans, along with surface creation and face-level editing. Assembly workflows position separate parts in a shared design context. Import options include STEP, SLDPRT, SAT, SAB, CATPART, PRT, IPT, X_T, X_B, GLTF, GLB, FBX, OBJ, PLY, STL, and KCL; exports include STEP, STL, GLTF, GLB, OBJ, and PLY. Git, Engine API, Agent API, File Format API, and Zoo MCP provide integration points, while Personal Cloud synchronizes projects. This breadth connects visual, programmatic, and cloud workflows, though buyers should check that their required formats and integrations are covered.
Zoo Design Studio's main trade-off is depth: it offers a broad foundation, but has fewer verified engineering-specific tools than more established suites, and dedicated sheet-metal tools are not part of its documented feature set. According to the vendor's pricing page, recurring paid amounts were not exposed in the retrieved page; the published information establishes a free plan, but does not support a plan-by-plan cost comparison here. The free, open-source offering can suit teams evaluating hybrid CAD or building code-oriented workflows. Engineering groups with specialized requirements should compare its tool coverage against alternatives before making it their primary system.
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Zoo Design Studio pricing
Zoo Design Studio fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Modeling method | Hybrid |
| Assembly design | Yes |
| Sheet-metal tools | Not verified |
| Surface modeling | Yes |
| Cloud collaboration | Yes |
| Supported platforms | Windows, macOS, Linux, web browser |
| File import and export | Import: STEP, SLDPRT, SAT, SAB, CATPART, PRT, IPT, X_T, X_B, GLTF, GLB, FBX, OBJ, PLY, STL, KCL. Export: STEP, STL, GLTF, GLB, OBJ, PLY. |
| Deployment | Cloud, Desktop |
| Platforms | Web, Windows, macOS, Linux |
| Integrations | 5 integrations: Git, Engine API, Agent API, File Format API, Zoo MCP |
| Pricing | Free plan (source) |
| Website | zoo.dev |
| Facts checked | 19 Sep 2026 |
Zoo Design Studio integrations
Zoo Design Studio lists 5 integrations on its own site.
- Git
- Engine API
- Agent API
- File Format API
- Zoo MCP
Alternatives to Zoo Design Studio
- Siemens NXDeep hybrid CAD with Teamcenter integration for large engineering organizations.9.4
- CATIAA deep engineering suite for complex products, with enterprise pricing to match.9.3
- SOLIDWORKSFull mechanical CAD with broad design, manufacturing, simulation, and collaboration tools.9.2
See all Zoo Design Studio alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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