Zoo
Conversational CAD agent for AI-native hardware design
Zoo's conversational CAD agent is genuinely useful for rapid concept iteration, but its assembly management and simulation capabilities lag behind established tools. Best for startups and defense projects that value AI speed and ITAR compliance over production-grade complexity.
- Hardware startups needing rapid concept-to-CAD iteration
- Mechanical engineers exploring AI-assisted parametric design
- Defense/aerospace projects requiring ITAR-compliant CAD tools
- Product designers who want to generate CAD from images or sketches
- Users needing advanced finite element analysis or simulation built-in
- Production-ready large assembly management with hundreds of parts
- Compatibility with legacy AutoCAD or legacy DXF workflows
We scan live Reddit threads, YouTube comments, X posts, G2 reviews and other communities — and hand you an honest verdict in under a minute.
- Honest verdict, not marketing
- Real pros & cons from real users
- Attributed quotes with receipts
3 free scans · no card needed
Skip Zoo if you need built-in FEA/simulation, large assembly management, or deep CAM integration for production CNC toolpaths.
Going past the Free plan's Zookeeper usage cap requires a Pro plan at $60/mo or $50/mo annual.
Zoo's Pro plan at $60/mo ($50/mo annual) is competitive with Fusion 360's $70/mo and cheaper than SolidWorks' $99/mo, but lacks simulation and CAM. Free plan is generous for evaluation. Enterprise pricing is custom; startups and individual engineers get good value, but teams needing advanced simulation should budget for separate tools.
In short
Zoo — Conversational CAD agent for AI-native hardware design. Best for Hardware startups needing rapid concept-to-CAD iteration, Mechanical engineers exploring AI-assisted parametric design, Defense/aerospace projects requiring ITAR-compliant CAD tools. Free to start; paid plans from $6050/mo.
What's new in Zoo
Checked 11 days agoAcross the latest 4 updates: 1 feature update, 2 launches and 1 news mention.
Trail of Bits completes 2024 and 2026 audits of Zoo
Trail of Bits completed 2024 and 2026 security audits of Zoo; findings disclosed for transparency.
We redesigned Zoo's sketch mode
New sketch mode includes flexible constraints, trim tool, and region finding from intersecting profiles.
Announcing Zookeeper, Our Conversational CAD Agent
Zookeeper conversational CAD agent integrated into Zoo Design Studio, enabling natural language CAD.
SOC 2 Type II certification achieved
Zoo earned SOC 2 Type II certification; full report publicly available at trust.zoo.dev.
Viability Score
How likely is Zoo to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Zookeeper conversational CAD agent with design intent reasoning
- Image-to-CAD conversion via natural language prompts
- Hybrid point-and-click, code (KCL), and AI workflows
- Proprietary geometry engine producing B-rep geometry
- Manufacturing-aware feedback on designs
- Redesigned sketch mode with flexible constraints and trim tool (May 2026)
- Surface modeling support (February 2026)
- GD&T labels and pattern support (October 2025)
- Standard holes and extrude-to features (November 2025)
- ITAR-compliant US cloud region
- SOC 2 Type II certified (December 2025)
- Trail of Bits security audits completed (2024 and 2026)
- DXF export support (October 2025)
- Fully editable parametric models from AI
- Cross-platform: Mac, Windows, Linux
About Zoo
Zoo Design Studio is a next-generation CAD platform that integrates Zookeeper, a conversational AI agent, into a modern geometry engine for mechanical and hardware design. Targeted at mechanical engineers, product designers, and hardware startups, it enables you to create parametric, manufacturing-aware 3D models using natural language prompts alongside traditional point-and-click and code (KCL) workflows. Key features include Image-to-CAD conversion, surface modeling, a redesigned sketch mode with flexible constraints and trim tool, and ITAR compliance for defense projects. The platform runs on Mac, Windows, and Linux with a browser-based trial. Unlike Fusion 360 or SolidWorks, Zoo prioritizes AI-driven design iteration and security transparency (SOC 2 Type II, Trail of Bits audits).
Behind the Verdict
Zoo stands out for its AI-native approach to CAD, where Zookeeper can reason about design intent and generate editable parametric models from natural language. This is a genuine leap for rapid concept iteration, especially for hardware startups or defense projects that need ITAR-compliant tools. The platform also supports traditional point-and-click and KCL coding, so you're not locked into AI-only workflows. However, it lacks advanced simulation, large assembly management, and deep CAM integration found in SolidWorks or Fusion 360. The redesigned sketch mode (May 2026) and surface modeling (Feb 2026) show rapid iteration, but the tool is still maturing. For engineers who need production-grade assembly handling or FEA, stick with established tools. Where Zoo excels is speed for early-stage design and security transparency that rivals even top-tier enterprise CAD. We'd reach for it when we need to go from a napkin sketch to a parametric B-rep model in minutes, not hours.
Researching Zoo? Get your full AI stack in 60 seconds.
Free, no signup — tell us your goal and get tools matched to your budget & existing stack.
Real-world workflow fit
Concrete scenarios for the personas Zoo actually fits — and what changes day-one when you adopt it.
Need to quickly iterate on a drone arm bracket design.
Outcome: Describe the bracket in natural language to Zookeeper; inspect generated parametric model; refine via sketch constraints and KCL; export DXF for laser cutting prototype within a day.
Must design a component under ITAR restrictions.
Outcome: Use Zoo's ITAR-compliant US cloud region; generate initial geometry with Zookeeper; add GD&T labels and standard holes; export STEP file; maintain audit trail via SOC 2 certified security.
Have hand-drawn 2D sketches of a new enclosure that need to become 3D models.
Outcome: Use Image-to-CAD with Zookeeper to convert the sketch into a parametric 3D model; tweak with point-and-click editing; produce manufacturing-ready STEP file in hours instead of days.
Use Cases
- Generate a 3D bracket from a natural language description using Zookeeper
- Automate repetitive geometry tasks by scripting in KCL
- Convert hand-drawn sketches into parametric CAD models via Text-to-CAD API
- Collaborate on a mechanical assembly by iterating with AI-driven design changes
- Export CAD models to DXF for laser cutting or CNC
- Integrate CAD generation into a CI pipeline using the Zoo CLI
- Convert an image into a 3D model using Image-to-CAD with Zookeeper
Models Under the Hood
as of 2026-07-14
Limitations
- Free plan limits Zookeeper usage and some advanced features.
- API billing is per-second at $0.50/min (charged by the second), which may add up for complex models.
- AI-generated geometry may still require manual refinement for high-precision manufacturing needs.
- The platform is relatively new and the ecosystem of plugins and integrations is smaller than established CAD tools.
as of 2026-06-30
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Zoo tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Solo evaluator or hobbyist exploring AI-assisted CAD with basic Zookeeper usage and community support.
What this tier adds
Free entry point with limited Zookeeper queries and no access to advanced export (DXF, STEP) or surface modeling.
Pro
$60/mo or $50/mo annual
Ideal for
Professional engineer or startup needing unlimited Zookeeper, Image-to-CAD, surface modeling, and priority support.
What this tier adds
Unlocks unlimited Zookeeper usage, Image-to-CAD, surface modeling, advanced export formats (DXF, STEP), and priority support.
Where the pricing makes sense
The company stage and team size where Zoo's pricing actually pencils out — and where peers do it cheaper.
Zoo's Pro plan at $60/mo ($50/mo annual) is competitive with Fusion 360's $70/mo and cheaper than SolidWorks' $99/mo, but lacks simulation and CAM. Free plan is generous for evaluation. Enterprise pricing is custom; startups and individual engineers get good value, but teams needing advanced simulation should budget for separate tools.
Setup time & first value
How long it actually takes to get something useful out of Zoo — broken out by persona, not the marketing-page minute.
Browser-based trial gives immediate access — you can start describing your first design to Zookeeper within minutes. Full desktop app download and install takes <10 minutes. KCL scripting and API integrations may take a few hours to learn from the documentation.
Switching to or from Zoo
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Fusion 360: Import Fusion 360 designs via the dedicated import feature; rebuild parametric relationships in KCL if needed.
- →From SolidWorks: Import SolidWorks files directly; rely on Zookeeper to reinterpret into Zoo's parametric tree.
- →From Onshape: Export as STEP/IGES and import into Zoo; manually recreate feature-based history with Zookeeper assistance.
- ↗To Fusion 360: Export Zoo models as STEP or IGES; import into Fusion 360; note that Zoo's KCL logic is not directly transferable.
- ↗To SolidWorks: Export as STEP or IGES; use SolidWorks' feature recognition to attempt reconstruction.
- ↗To Onshape: Upload STEP/IGES files; parametric history from Zoo is lost; use Onshape's feature recognition.
Integrations
Resources & Guides
- Resourcezoo.dev
Introducing Zoo
A look behind the scenes at why we are renaming the company Zoo.
- Resourcezoo.dev
Introducing Text-to-CAD
Introducing our machine learning model for generating CAD models from a text prompt.
- API Referencezoo.dev
Zoo
Start here to understand Zoo's APIs, choose the right surface, and make your first request.
Official links
Tools that pair well with Zoo
Common stack mates teams adopt alongside Zoo, with the specific reason each pairing earns its keep.
Alternatives to Zoo
View allFrequently Asked Questions
Categories
Best-of guides
Used Zoo? Help shape our editorial sentiment research.