BlocksCAD
BlocksCAD: A focused browser CAD tool for teaching parametric modeling and 3D-print design. Ranked #119 of 147 in 3D Modeling Software by our editors (3.0/10); pricing: Open source · 30-day trial; best for classroom parametric CAD fundamentals.
At a glance
- Editor score3.0 / 10
- PricingOpen source · 30-day trial
- Best forClassroom parametric CAD fundamentals
- Paid fromFree
- Platform accessBrowser
- Facts checked21 Sep 2026
Where it wins
- Block-based interface introduces programming and CAD together.
- Classroom tools support assignments, reviews, comments, and editing.
- Exports models to STL, AMF, and X3D for 3D printing.
Where it doesn't
- Its browser-only access limits offline and desktop workflows.
- Education features require a paid teacher or school/district license.
- Its focus is narrower than general-purpose 3D modelers.
Our verdict on BlocksCAD
BlocksCAD is browser-based 3D modeling software for educators, students, makers, and parents. It combines drag-and-drop programming with parametric CAD, letting users build models from primitives such as spheres, cylinders, and cubes. Transformations, Boolean operations, variables, loops, logic, math, and reusable modules support increasingly precise designs. The browser workflow runs through Chrome or Firefox, with built-in rendering, project saving, XML downloads, and exports for 3D printing.
The strongest fit is education. Classroom features cover assignments, student project review, comments, and editing, while Google Classroom integration supports importing classes. These tools give teachers a way to connect modeling exercises with structured coursework rather than treating the product only as an individual design workspace. The published plans show a 30-day educator trial, and education features require a paid teacher or school/district license. BlocksCAD is presented as open-source software, making its learning-oriented approach distinct from conventional desktop CAD applications.
Its standout feature is the connection between visual programming and parametric modeling. Students can work with dimensions and variables while learning how transformations and reusable modules affect a model, then export the result in common 3D-print formats. That makes BlocksCAD a practical choice for classroom CAD fundamentals and introductory computational thinking. It is less suitable for users seeking a broad modeling environment beyond this structured workflow, or for work that depends on native desktop access. Choose BlocksCAD when browser delivery, classroom management, and programmable geometry matter most; choose a general-purpose modeler when a wider modeling focus is the priority.
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BlocksCAD pricing
BlocksCAD fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Platform access | Browser |
| Sculpting tools | Not verified |
| Animation tools | Not verified |
| Parametric modeling | Yes |
| Render engine | Built-in |
| 3D print export | Yes |
| Free trial | 30 days |
| Deployment | Cloud |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Solo, Small business, Enterprise (editorial estimate) |
| Integrations | 1 integrations: Google Classroom |
| Pricing | Open source · 30-day trial |
| Website | blockscad3d.com |
| Facts checked | 21 Sep 2026 |
BlocksCAD integrations
BlocksCAD lists 1 integrations on its own site.
- Google Classroom
Alternatives to BlocksCAD
- BlenderA broad free 3D suite covering modeling, animation, rendering, scripting, and print export.9.3
- HoudiniA deep procedural 3D suite for VFX, animation, games, and technical art.9.1
- Autodesk MayaA mature desktop suite for studios handling modeling, animation, VFX, and rendering.9.0
See all BlocksCAD alternatives →
Also Ranked In
BlocksCAD is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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