Design virtual models you can build with LEGO(R) bricks
Publisher’s description
What is LeoCAD?
LeoCAD by LeoCAD.org is open-source Windows software in the 3d & cad category. It is written in C++. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 26.09, released on September 20, 2026. The version history goes back to March 30, 2021: 6 releases, all linked to the official files. That is about 1.1 releases a year.
Popularity and file types
The source code on GitHub (leozide/leocad) has 2,895 stars. Similar programs include PrusaSlicer, MeshLab and Ultimaker Cura.
Project description on GitHub: “A CAD application for creating virtual LEGO models”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
- Also runs on Linux
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: LeoCAD is an open-source 3d & cad tool for 64-bit PCs. Administrators can deploy it unattended.
Is LeoCAD safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
700F51718A2AD46EA2072DF5B4C6A83EC1B1C554CFC9CD8E8BFE9F6BB32BB0A4· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Security practices (OpenSSF Scorecard)
Automated checks of the leozide/leocad repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- Actively maintained10
- Restricted token permissions10
- No dangerous workflows10
- No binaries in the repository10
- Code review0
- Static code analysis0
- Pinned dependencies0
- OpenSSF Best Practices badge0
- Security policy0
- Licence declared0
- Fuzzing0
- Signed releases0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 6 versions ›6 versions over 5 years · about 1.1 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 26.09Latest | September 20, 2026 | — | 64-bit EXE (NSIS) |
| 25.09 | September 2, 2025 | — | 64-bit EXE (NSIS) |
| 23.03 | March 19, 2023 | — | 32-bit EXE (NSIS) |
| 21.06 | July 16, 2021 | — | 32-bit EXE (NSIS) |
| 21.03 | May 29, 2021 | — | 32-bit EXE (NSIS) |
| 21.01 | March 30, 2021 | — | 32-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id LeonardoZide.LeoCAD -eLeoCAD-Windows-26.09.exe /SRelated guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub org.leocad.LeoCADInformation
- Publisher
- LeoCAD.org
- Category
- 3D & CAD
- Licence
- GPLv2
- Price
- Free
- Source code
- github.com/leozide/leocad
- Written in
- C++
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Other platforms
- Linux
- Version
- 26.09
- Released
- September 20, 2026
- Added to the catalogue
- March 30, 2021
- Versions listed
- 6
- Updates / year
- 1.1
- GitHub stars
- 2,895
- GitHub forks
- 258
- Website
- leocad.org
- winget ID
- LeonardoZide.LeoCAD
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is LeoCAD free?
Yes. LeoCAD is open-source software under the GPLv2 licence.
Is LeoCAD safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install LeoCAD with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can LeoCAD be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does LeoCAD run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of LeoCAD?
The versions page lists all 6 versions with links to their official installer files, back to March 30, 2021.
What are alternatives to LeoCAD?
PrusaSlicer, MeshLab, Ultimaker Cura, Bambu Studio and OpenToonz. The alternatives page compares them.
