Dune 3D is a free and open source parametric 3D CAD application fo Linux and Windows. You can Sketch and constrain in 2D and 3D, STEP import/export, fillets and chamfers, high-quality STL files export and many mre. It is a simple and easy to use 3D CAD application.
How to Install Dune 3D on Ubuntu
If you don’t already have flatpak and flathub installed,then install them on your system first. After the installation, restart your system.
How to install flatpak and flathub
After that open the terminal app (ctrl+alt+t) and run below Dune 3D flatpak install command. It will install the latest Dune 3D CAD software on your system.
flatpak install flathub org.dune3d.dune3d
Open Dune 3D using below command.
flatpak run org.dune3d.dune3d
You can also uninstall it using below commands.
flatpak uninstall org.dune3d.dune3d
[OR]
sudo flatpak uninstall org.dune3d.dune3d