FreeCAD, free and open-source 3D parametric modeler, released version 0.18 recently with Python 3 and Qt 5 support. Here’s how to install it in Ubuntu 16.04, Ubuntu 18.04, and Ubuntu 19.04.
FreeCAD 0.18 release highlights:
- Extended TechDraw tools
- New sketcher tools, more stable and robust PartDesign
- Enhanced and extended Arch and BIM tools
- Redesigned Start center
- New Navigation Cube
- Specify a custom background image for FreeCAD’s main window
Install or Upgrade FreeCAD in Ubuntu:
The official FreeCAD PPA has built the latest release packages for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.04, and their derivatives.
1. Open terminal either via Ctrl+Alt+T keyboard shortcut, or by searching for ‘terminal’ from app menu. When it opens, run command to add the PPA:
sudo add-apt-repository ppa:freecad-maintainers/freecad-stable
Type user password (no asterisk feedback) when it prompts and hit Enter to continue.
2. If a previous release was installed on your system, upgrade it via Software Updater:
Or install the software via following commands:
sudo apt update
sudo apt install freecad
Uninstall:
To remove FreeCAD, simply run command in terminal:
sudo apt remove --auto-remove freecad
To remove the PPA, open Software & Updates -> Other Software.
转自：http://ubuntuhandbook.org/index.php/2019/04/install-freecad-0-18-ubuntu-18-04-16-04/