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CAD · head to head

Bambu Studio vs Zoo

Bambu Studio logo

Bambu Studio

CAD

Free slicer for Bambu Lab 3D printers, funded entirely by hardware sales

From
Free
Rated
-
Zoo logo

Zoo

CAD

Cloud CAD with a scripting language and a geometry engine exposed as an API

From
Free
Rated
-

The short version

  • Each has a real cost: Bambu Studio profiles and tuning are aimed at Bambu Lab machines, so using it as a general slicer for other printers means building and maintaining your own profiles, which is exactly the work a slicer is meant to save.; Zoo the geometry engine runs entirely in Zoo's cloud and there is no offline mode, so an aircraft, a customer site with no guest wifi or an outage stops modelling work completely.
  • They diverge on capability: Bambu Studio covers Multi-material slicing, Zoo covers KCL scripting.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Bambu Studio and Zoo actually diverge.

Attributes where Bambu Studio and Zoo differ
AttributeBambu StudioZoo
Pricing modelOpen source, no licence feePer user per month
PlatformsWindows, macOS, LinuxWeb, Windows, macOS, Linux, API

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (CAD).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bambu Studio

  • Multi-material slicing
  • Per-object process settings
  • Auto arrange and plate management
  • Tree and normal supports
  • Print preview and toolpath inspection
  • Network and cloud printing
  • Calibration tools

Only in Zoo

  • KCL scripting
  • Design Studio
  • Design API
  • Zookeeper agent
  • Format conversion
  • Open source client

What people use each for

The jobs each tool is most often brought in to do.

Bambu Studio

  • Running a small farm of Bambu Lab printers where multi-colour AMS jobs need per-object material assignmentnot Zoo
  • A design team that needs to check printability and support strategy before committing a part to a printnot Zoo
  • Prototyping in a workshop where paying per seat for a slicer cannot be justifiednot Zoo
  • Reusing PrusaSlicer knowledge and profile conventions on Bambu hardware without relearning a slicernot Zoo

Zoo

  • A hardware startup that wants part models reviewed in pull requests alongside firmwarenot Bambu Studio
  • A software team generating thousands of parametric part variants programmatically rather than by handnot Bambu Studio
  • A SaaS product that needs to render and convert customer CAD files without licensing a geometry kernelnot Bambu Studio
  • An engineer who models occasional brackets and enclosures and does not want a four figure annual seatnot Bambu Studio

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bambu Studio

  • Profiles and tuning are aimed at Bambu Lab machines, so using it as a general slicer for other printers means building and maintaining your own profiles, which is exactly the work a slicer is meant to save.
  • The networking component is a proprietary closed binary loaded at runtime, so you cannot audit, self-host or script printer communication the way the AGPL licence of the rest of the code would suggest.
  • The Software Freedom Conservancy publicly stated in 2026 that Bambu Lab is violating the AGPLv3, and Bambu Lab has issued a cease-and-desist to a third-party fork developer, which is a live legal question for any organisation with an open-source compliance policy.
  • Cloud features require a Bambu account and route job data through Bambu servers, which is a data governance problem for anyone printing commercially sensitive geometry.
  • The software is free because the hardware is not, so there is no way to buy support or a maintenance commitment; if a release breaks your workflow your only recourse is the community forum and waiting.

Zoo

  • The geometry engine runs entirely in Zoo's cloud and there is no offline mode, so an aircraft, a customer site with no guest wifi or an outage stops modelling work completely.
  • STEP and SLDPRT import are still labelled experimental, which means the most common way of receiving a supplier or customer model is the least reliable path into the tool.
  • Drawing production, GD&T and tolerance annotation are far behind SolidWorks, Creo and NX, so most users still need a second package to release a manufacturing drawing.
  • Zookeeper is billed in reasoning minutes rather than per seat, so a team cannot forecast next month's bill from headcount the way it can with conventional CAD subscriptions.
  • The open source label applies only to the Design Studio client; the kernel that does the modelling is closed and hosted, so forking the repository does not give you a product you can run yourself.

Pricing, plan by plan

Bambu Studio

Free
  • Bambu StudioFree
    • Free download, no account required for local printing
    • AGPL-3.0 licensed slicing engine
    • Unlimited printers and users

Zoo

Free
  • FreeFree
    • Design Studio access
    • About 20 minutes of Zookeeper reasoning per month
    • Around $10 of API calls included
  • Plus$20/month
    • Roughly 400 Zookeeper minutes per month
    • Pay as you go beyond the allowance
    • Design Studio and API access
  • Pro$99/month
    • Unlimited Zookeeper reasoning
    • Higher API allowance
    • Priority support

Which should you pick?

Choose Bambu Studio if

  • You need multi-material slicing.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want per-object process settings.

Choose Zoo if

  • You need kcl scripting.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux, API.
  • You also want design studio.

Questions people ask

Is Bambu Studio or Zoo better?
Neither clearly leads. Bambu Studio starts at Free and Zoo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bambu Studio or Zoo?
Bambu Studio starts at Free and Zoo at Free.
Does Bambu Studio or Zoo run on more platforms?
Bambu Studio runs on Windows, macOS, Linux. Zoo runs on Web, Windows, macOS, Linux, API.
Can I use Bambu Studio for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bambu Studio best used for?
Bambu Studio is most often used for running a small farm of bambu lab printers where multi-colour ams jobs need per-object material assignment, a design team that needs to check printability and support strategy before committing a part to a print, prototyping in a workshop where paying per seat for a slicer cannot be justified, reusing prusaslicer knowledge and profile conventions on bambu hardware without relearning a slicer. Of those, running a small farm of bambu lab printers where multi-colour ams jobs need per-object material assignment and a design team that needs to check printability and support strategy before committing a part to a print are not what Zoo is typically brought in for.
What can Bambu Studio do that Zoo cannot?
Bambu Studio covers Multi-material slicing, Per-object process settings, Auto arrange and plate management, Tree and normal supports. Zoo covers KCL scripting, Design Studio, Design API, Zookeeper agent.

Answered from the vendors’ own pages

Bambu Studio: Does Bambu Studio cost anything?

No. It is free with no paid tier. Bambu Lab monetises the printers and filament, not the slicer.

Zoo: Is Zoo the same company as KittyCAD?

Yes. KittyCAD renamed itself Zoo; the GitHub organisation is still KittyCAD and the scripting language KCL keeps the old initials.

Bambu Studio: Is it open source?

Mostly. The slicing application is AGPL-3.0 by inheritance from PrusaSlicer, but the networking plugin is proprietary and closed, and that combination is the subject of the Software Freedom Conservancy dispute.

Zoo: Can I use Zoo without an internet connection?

No. The geometry engine is a cloud service, so Design Studio needs a live connection to model anything.

Bambu Studio: Can I use it with a non-Bambu printer?

Technically yes, since it is a PrusaSlicer fork, but the shipped profiles target Bambu machines and you would be maintaining your own configuration.

Zoo: Is Design Studio free?

There is a genuine free tier with a small monthly allowance of AI reasoning and API calls. Paid plans start at $20 per month.

Bambu Studio: Can I print without a Bambu cloud account?

Yes, over the local network in LAN mode. Cloud printing, remote monitoring and MakerWorld require an account.

Zoo: Can I replace SolidWorks with Zoo?

Not for drawing release, large assemblies or GD&T. Teams typically use Zoo for programmatic part generation and keep an established package for production documentation.

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