I would like to share this information with you. FreeCAD is a good tool and it free and open. I am ready to explore other OSS apps with you. Let me know what you need. Thanks Prince
AutoCAD is the most well-known computer aided design (CAD) product on the market. Whether you are working in 2D or 3D - designing mobil phones or bridges - AutoCAD has the features you need to make it perfect. AutoCAD modeling capabilities has helped many people through the years and together with it's rendering features it has provided visualization of their designs. A powerful feature of AutoCAD is it's scripting capability with which you can either extend functionality of AutoCAD - or perform automated tasks.
FreeCAD is general purpose CAD (computer aided drawing) software that targets product design and mechanical engineering. It can be easily used for any engineering specialty, featuring tools that are modeled to function like SolidWorks, Solid Edge and Catia. Its main focus is dynamic simulation and analyzation.
It has a GUI (graphical user interface) based on Qt framework and its 3D viewer allows quick rendering of 3D scenes. It is simple to use and easy to quickly figure out its special functions.
For instance, FreeCAD has a plugin/module framework, divided into the core software and modules that can be added when they are needed. Geometry types and nearly all the tools are stored in the modules that can be added or taken off as needed. Tools are grouped around workbenches so that only the tools you need are displayed according to the task you are doing. This provides an uncluttered workspace that is both functional and easy to work with.
This 3D CAD modeler has the ability to sketch in 2D or to take details from a 3D model and create 2D production drawings. Its focus is not specifically on 2D drawings or animation although it does have advanced motion simulation features; it is very adaptable and can be used in a broader area than software like Cinema 4D or Maya.
A user can create a collection of parts and manipulate it with open or closed 3D loops. The parts can be connected with motors, springs, joints, torques or gravity; a multibody dynamics analysis can be used to predict its motion according to the laws of gravity.
Download it here for several OS
Others
QCad Community Edition is an open source edition of RibbonSoft's CAD system. QCad is a 2D CAD application that aims at being simple enough for anyone to use - even users with no previous CAD
Archimedes is a computer aided design (CAD) solution focusing on architectural design. While the current version of Archimedes may not be mature enough for all - this project is very promising.
BRL-CAD is an open source cad systems based around constructive solid geometry (csg) modeling. On top of all of it's modeling features, such as the interactive geometry editor, BRL-CAD offers
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Prince Kpasra
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