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CAD · head to head

SolveSpace vs Tinkercad

S

SolveSpace

CAD

Open source parametric CAD with a constraint solver in a few megabytes

From
Free
Rated
-
Full reviewWebsite
Tinkercad logo

Tinkercad

CAD

Free browser-based 3D design, electronics, and coding tool by Autodesk

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: SolveSpace the in-house geometry kernel fails on complex boolean operations and fillets, and the failure is sometimes silent bad geometry rather than an error message, so models must be checked before export or manufacture.; Tinkercad limited to simple block-based modeling, unsuitable for complex or precise mechanical CAD work.
  • They diverge on capability: SolveSpace covers Constraint solver, Tinkercad covers Block-Based 3D Modeling.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which SolveSpace and Tinkercad actually diverge.

Attributes where SolveSpace and Tinkercad differ
AttributeSolveSpaceTinkercad
Pricing modelOpen source, no licence feefree
PlatformsWindows, macOS, Linuxweb

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 SolveSpace

  • Constraint solver
  • Solid modelling
  • Assemblies
  • Export formats
  • Cross-platform
  • Small footprint

Only in Tinkercad

  • Block-Based 3D Modeling
  • Circuit Simulator
  • Codeblocks Programming
  • 3D Printing Export
  • Classroom Management

What people use each for

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

SolveSpace

  • Designing 3D printed parts on a machine that cannot run mainstream CADnot Tinkercad
  • Teaching constraint-based parametric modelling without buying licences for a classroomnot Tinkercad
  • Checking that a mechanical linkage moves as intended before cutting metalnot Tinkercad
  • Producing dimensionally accurate STEP or STL output from a small open source toolchainnot Tinkercad

Tinkercad

  • Teaching introductory 3D design in classroomsnot SolveSpace
  • Simulating basic electronic circuitsnot SolveSpace
  • Designing simple objects for 3D printingnot SolveSpace
  • Introducing kids to block-based codingnot SolveSpace

Where each one falls short

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

SolveSpace

  • The in-house geometry kernel fails on complex boolean operations and fillets, and the failure is sometimes silent bad geometry rather than an error message, so models must be checked before export or manufacture.
  • There is no proper drawing and dimensioning workflow, so manufacturing documentation has to be produced in another application.
  • Development is volunteer-led and intermittent; long gaps between releases are normal and there is no support contract available at any price.
  • Assembly-level import of external CAD is very limited, so it does not fit a supply chain that exchanges native or assembly-level models with suppliers.
  • The interface follows its own conventions rather than mainstream CAD ones, so existing SolidWorks or Fusion users spend time unlearning habits for a tool with a lower ceiling.

Tinkercad

  • Limited to simple block-based modeling, unsuitable for complex or precise mechanical CAD work.
  • Lacks advanced surfacing, parametric assembly, and simulation tools found in professional CAD software like Fusion 360.
  • Requires an internet connection since it runs entirely in the browser with no offline desktop app.
  • Export and rendering options are basic compared to dedicated 3D modeling or CAD applications.

Pricing, plan by plan

SolveSpace

Free
  • SolveSpaceFree
    • Full application under the GPL
    • No seat limit
    • Windows, macOS and Linux builds

Tinkercad

Free
  • Free$undefined/mo
    • 3D design
    • Circuits simulation
    • Codeblocks

Which should you pick?

Choose SolveSpace if

  • You need constraint solver.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want solid modelling.
SolveSpace review

Choose Tinkercad if

  • You need block-based 3d modeling.
  • You want to start without paying.
  • You work on web.
  • You also want circuit simulator.
Tinkercad review

Questions people ask

Is SolveSpace or Tinkercad better?
Neither clearly leads. SolveSpace starts at Free and Tinkercad at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SolveSpace or Tinkercad?
SolveSpace starts at Free and Tinkercad at Free.
Does SolveSpace or Tinkercad run on more platforms?
SolveSpace runs on Windows, macOS, Linux. Tinkercad runs on web.
Can I use SolveSpace for free?
Both have a free tier, so you can try either at no cost before committing.
What is SolveSpace best used for?
SolveSpace is most often used for designing 3d printed parts on a machine that cannot run mainstream cad, teaching constraint-based parametric modelling without buying licences for a classroom, checking that a mechanical linkage moves as intended before cutting metal, producing dimensionally accurate step or stl output from a small open source toolchain. Of those, designing 3d printed parts on a machine that cannot run mainstream cad and teaching constraint-based parametric modelling without buying licences for a classroom are not what Tinkercad is typically brought in for.
What can SolveSpace do that Tinkercad cannot?
SolveSpace covers Constraint solver, Solid modelling, Assemblies, Export formats. Tinkercad covers Block-Based 3D Modeling, Circuit Simulator, Codeblocks Programming, 3D Printing Export.

Answered from the vendors’ own pages

SolveSpace: Is it really free for commercial work?

Yes. It is released under the GPL with no licence fee and no seat limit. Support is community only.

SolveSpace: Can it replace Fusion 360 or SolidWorks?

No. It handles parts and simple assemblies well. Complex geometry, drawings and supply chain interoperability are outside its range.

SolveSpace: What hardware does it need?

Very little. It runs on old laptops and small Linux machines where mainstream CAD will not start.

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