LeoCAD is a CAD program for creating virtual LEGO(R) models. It's available for free under the GNU Public License v2 and works on the Windows, Linux and macOS Operating Systems.
You can download the latest version of LeoCAD and its Parts Library from the main website at https://www.leocad.org
It's recommended that you install the latest drivers for your video card since LeoCAD uses OpenGL to take advantage of hardware acceleration for rendering.
LeoCAD for Windows
Download the latest LeoCAD-Windows.exe to your computer, double click on the icon to launch the installer and follow the instructions.
LeoCAD for Linux
There are multiple ways to install LeoCAD on Linux.
You can find LeoCAD in your distribution's Snap Store. Alternatively, you can enter
sudo snap install leocadto install it using the command line.
Download the latest LeoCAD-Linux.AppImage, make the file executable (
chmod +x) and run it.
You can also install LeoCAD releases as a Flatpak from Flathub: https://flathub.org/apps/details/org.leocad.LeoCAD
Note: there might be a delay for new releases to appear there. If you have it already installed, it will be updated.
If you prefer to compile LeoCAD yourself, go to the GitHub releases page at https://github.com/leozide/leocad/releases/latest and download the source archive from there. If you do not already have a Parts Library installed, you will need to download one and follow the installation instructions. More information on how to compile your own executable is available in the Documentation section of https://www.leocad.org
LeoCAD for macOS
Download the latest LeoCAD-macOS.dmg to your computer, double click on the icon to open the archive, copy LeoCAD.app to your Applications folder and then launch it from there.
New users should read the online tutorial located at https://www.leocad.org/docs/tutorial1.html to learn how to use LeoCAD.
GitHub page: https://github.com/leozide/leocad
Unstable builds: https://github.com/leozide/leocad/releases/tag/continuous
LEGO(R) is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this software.