Here is the list of best CAD software that free to download or use online in 2020.
1) FreeCAD
– It allows creating designs with any size
– You can sketch in 2D then transform that into 3D images
– You can go to the history of model and change the parameters to get a different design.
– FreeCAD can use Python programming language.
– It can read and write many open file formats
– A fully multi-platform software that supports Windows, Mac, and Linux operating systems.
– It offers basic options and can be a great CNC machining software for beginners.
2) TinkerCAD
– Suitable for beginners even with no experience
– Enables you to develop models from a group of basic shapes
– Comes with a library of millions of files you can use to search for the best shape
– Direct interaction with third party printing services
– Easy to create circuits and 3D designs
– Can run in a web browser, simple interface and ease of operation
3) LibreCAD
– Available in over 30 languages and support cross-platform for macOS, Windows, and Linux
– CAM capabilities into the community version of QCAD
– Comes with a dedicated development team and an active community for assistance
– Can render draw() codes
– Fast caching mechanism can help you save data
4) OpenSCAD
– Ideal for highly technical users or professionals
– Designers can fully control over all aspects of the modeling process
– Configurable parameters, easy to change
– Can read from DXF files, create 3D models then save in STL and OFF file formats
– Can create 2D outlines and constructive solid geometry
5) QCAD
– Supports Windows, macOS, and Linux platforms
– Open-source application
– You can create 2D drawings, building plans and mechanical parts
– The source code can be used under the GPL v3
– Different schematics and diagrams are available
– Owns a library with more than 4800 CAD parts
– Various tools for construction and modification
– Use ECMAScript (JavaScript) interface
– Layering and blocks can be grouped