LPub3D
by Trevor SANDY
LPub3D - An LDraw Building Instruction Editor
About
LPub3D is an Open Source WYSIWYG editing application for creating LEGO® style digital building instructions. LPub3D is developed and maintained by Trevor SANDY. It uses the LDraw™ parts library, the most comprehensive library of digital Open Source LEGO® bricks available (www.ldraw.org/) and reads the LDraw LDR and MPD model file formats. LPub3D is available for free under the GNU Public License v3 and runs on Windows, Linux and macOS Operating Systems. Portions of LPub3D are based on LPUB© 2007-2009 Kevin Clague, LeoCAD© 2025 Leonardo Zide and additional third party components. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this application. © 2015-2025 Trevor SANDY.
Permissions
2 permissions weaken the sandbox. Flatsonar asks before installing.
- X11 display: X11 lets apps read input and windows of other apps
--socket=x11 - full access to your home folder
--filesystem=home - inter-process communication (needed for X11)
--share=ipc - GPU acceleration
--device=dri - access to xdg-config/kdeglobals
--filesystem=xdg-config/kdeglobals:ro - talks to com.canonical.AppMenu.Registrar
--talk-name=com.canonical.AppMenu.Registrar - talks to org.kde.kconfig.notify
--talk-name=org.kde.kconfig.notify - talks to org.kde.KGlobalSettings
--talk-name=org.kde.KGlobalSettings
Who publishes this
The creator demonstrably controls this app id: Flathub verification, the hosting account owns the namespace, or a well-known file on their domain.
- verified on Flathub: the developer proved they control this app id
publisher:flathub
Maintenance
Recent activity on the upstream repository, or built and reviewed by Flathub.
No staleness signals: recent activity, or built and reviewed by Flathub.