CAD application for designing virtual LEGO® models. Easy to Use. LeoCAD has an intuitive interface that is designed to allow new users to start creating new models without having to spend too much time learning the application.

Linux. Click the button below to download the latest LeoCAD AppImage. Once the download is complete, simply run the file. If you prefer to compile it yourself, go to the GitHub Releases Page and download the latest source code archive.

Getting Started. If you have not installed LeoCAD yet, visit the Download Page for information on how to get the latest version of LeoCAD installed on your computer.. Once you are ready to start creating models, take a look at the basic tutorial for a quick guide on …

Basic Tutorial. This tutorial is designed as a quick start guide to give you an overview of the most commonly used LeoCAD features without going too deep on any particular topic.

Version History. Version 23.03 (19/3/2023) Added new timeline menu option to move selection to a new step. Place new pieces relative to the side of the piece under the mouse.

Parts Library. LeoCAD is completely compatible with LDraw's parts library. In fact, the library included in the installer packages is just a ZIP archive of LDraw's library without any changes.

Here are two options that can be utilized by “qmake” to customize LeoCAD builds that will interest distribution maintainers: “DISABLE_UPDATE_CHECK=1”: disables update checks at startup and removes that option from the menu.

The following is a list of meta commands that are used by LeoCAD when saving files in LDraw format. Note that parameters in square brackets are optional and that parameters in angle brackets are required.

License. LeoCAD is distributed under the GNU General Public License (GPL) version 2. The Parts Library used by LeoCAD is a copy of LDraw's Library, which is distributed under the LDraw License Agreement and based on the Creative Commons 2 License.

Whenever a part has focus (blue tint), LeoCAD will use that part as the center of rotation for all selected parts. This means that we can often use a helper part to change the center of rotation of the part we want to rotate.