Install librecad by entering the following commands in the terminal:
sudo apt update sudo apt install librecad
Description:
Computer-aided design (CAD) system
LibreCAD is an application for computer aided design (CAD) in two dimensions (2D). With LibreCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams.
Homepage: http://www.librecad.org/
Version: 2.1.2-1
Section: universe/graphics