FreeCAD is a 2D and 3D computer aided design software for architectural, mechanical and technical drawings. Today, FreeCAD is used by architects to draw house/building, manufacturers to produce parts with CNC machines, as well as hobbyists to create things with 3D printers. It is licensed under GNU LGPL license and available gratis on Ubuntu.

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Command to install FreeCAD application:

Run Terminal and type command below and press Enter:

$ sudo apt install freecad

Screenshots:

FreeCAD opening a building architecture design (FreeCAD format):

FreeCAD opening a house design sketch:

Notes:

On Ubuntu 20.04 Focal Fossa for example, available FreeCAD version is 0.18.4 from universe repository.

Download sample documents:

FreeCAD is a long living, very popular program and is supported by large professional community like OSArch. That means there are a lot of example documents can be downloaded to learn it. See Yorik’s architectural projects (download here) or FreeCAD Forum Community (download here) or OSArch (download examples) or GrabCAD (download here).

References 

FreeCAD tutorials (official)

FreeCAD articles by Hackaday

3D printing turorials by All3DP

FreeCAD tutorial blog

Creating 3D printed artwork by Eheidi

From a 2d sketch to 3D print by Materialise

This article is licensed under CC BY-SA 3.0.