Types of CAD Software: A Guide to Different Options Available

Types of CAD Software

Computer-Aided Design (CAD) software is now a must in a world where creativity and design are always changing. Whether you are a beginner or an experienced designer, understanding the different types of CAD software can help you choose the best program for your specific projects. From creating simple sketches to complex architectural designs, there is CAD software out there to meet your needs.

Now, continue reading to explore several types of CAD software available on the market, categorised by industry application and functionality.

Types of CAD Software by Industry Application

1. Architectural and Construction CAD Software

Architects, engineers, and construction managers use architectural CAD to create 2D and 3D building drawings. These drawings can be used for various purposes, including developing a design idea into a proposal, communicating ideas and concepts, enabling construction by a building contractor, and recording a building that already exists.

Architectural CAD software often includes features such as 2D and 3D modelling, BIM tools, drafting and detailing, precision drafting tools, and tagging and annotation tools.

Some examples of architectural and construction CAD software are:

  • AutoCAD: A CAD software that allows designers to create 2D and 3D drawings. It is used in many industries, including architecture, engineering, and construction.
  • SketchUp: A more advanced CAD software that professionals primarily use in the architecture, interior design, and engineering industries.
  • Autodesk Revit: An architectural design and documentation software that allows the creation of a precise, detailed building model in a short time.

2. Mechanical CAD Software (MCAD)

Mechanical CAD (MCAD) software, also known as mechanical design automation (MDA), is used to create mechanical systems and products with technical drawings and specifications.

MCAD software can be used to design components, enclosures, machines, and systems. It can also be used to create 2D or 3D models, simulate designs, and generate output files for manufacturing. MCAD output can include information such as materials, processes, dimensions, and tolerances.

MCAD software is used in many industries, including high-tech or consumer electronics, automotive, and medical devices. Some examples of MCAD software are: Onshape, Inventor, Fusion, Solid Edge, Siemens NX, AutoCAD Mech, Creo Parametric, KeyCreator, Altium, Simcenter 3D, and SimFlow.

3. Electrical CAD Software (ECAD)

Electrical Computer Aided Design (ECAD) software is used to create and modify diagrams and layouts for electronic systems. ECAD software enables electrical engineers to create and modify 2D and 3D models. Designing electrical structures such as PCB layouts, virtual representations of PCBs, and 2D circuit board manufacturing documentation are some examples of ECAD software use case scenarios.

SEE Electrical is the software that is commonly used for ECAD. It offers extensive electrical symbol libraries, advanced engineering data management, automatic wire numbering, wire directions, signals and cable management, PLC management, reports, and graphical lists.

Types of CAD Software by Functionality

1. 2D CAD Drawing Software

Technical drawings and designs in two dimensions are produced and edited using 2D CAD (Computer-Aided Design) software. It is used to design buildings or products in a variety of industries, including engineering and architecture. 2D CAD software allows architects to easily alter the design and quickly insert frequently used building components, such as doors or furniture.

Some examples of 2D CAD drawing software options are AutoCAD, QCAD, and Sketchup.

One of the many features and tools available in AutoCAD is a 2D CAD toolkit, which is useful for producing complex designs and models. For technical 2D drawing, QCAD, a free software that is modelled after AutoCAD, can be your choice. Another free software option is SketchUp, which offers a large range of tools including renderings, animations, 3D models, and 2D drawings.

2. 3D Modelling Software

Objects or scenes can be modelled in three dimensions using 3D modelling software. Architecture, video games, animation, and product design are just a few of the uses for these models.

Some of the techniques used in 3D modelling software to create, manipulate, and visualise 3D geometry are polygonal modelling, NURBS modelling, sculpting, procedural modelling, primitive modelling, rational B-spline modelling, solid modelling, wireframe modelling, and surface modelling.

One of the key techniques that requires 3D modelling software is surface modelling. However, what exactly is surface modelling? See our article, ‘Surface modelling in CAD: for more information. What It Is, How It’s Made, and Its Advantages‘, to learn more.

You have a few options for 3D modelling software, including Autodesk 3DS Max and ZBrush.

One popular software for modelling, animation, and rendering is Autodesk 3DS Max. When it comes to driving solutions for games, movies, and motion graphics, designers prefer to use them. ZBrush is a versatile 3D software that enables you to model, texture, and paint objects for use in your projects.

3. Parametric vs. Direct Modelling Software

Parametric and direct modelling are two different modelling techniques, each with their own strengths and applications.

Parametric modelling is a 3D modelling technique that uses algorithms and parameters to create design features that are related to each other. For example, if you change the height of a piece of furniture, the design will automatically change the spacing of the holes. Parametric modelling is often used in engineering, construction, and production. Parametric modelling is included in software such as FreeCAD, SolidWorks, CREO, and OnShape.

One of the processes that required parametric modelling was design for assembly, or “DFA”. Find out more about DFA in our article, ‘Design for Assembly: Definitions, Principles, and Differences from DFM‘.

Direct modelling is when you create geometry that isn’t tied to a feature. For example, you can model a sphere or an extruded triangle without affecting the overall dimensions. Direct modelling is often used in the initial stages of design, where form is more important than function. Some examples of software that uses direct modelling are Illustrator, Inkscape, SketchUp, Blender, and Tinkercad.

Open Source vs. Proprietary CAD Software

Open source CAD software is affordable and flexible, making it usable by all kinds of users. On the other hand, advanced features, specialised support, and integration with industry-specific tools are frequently offered by proprietary CAD software.

Which one should you use in your next project? The answer is “it depends.”

If you are someone who is just starting to learn to use CAD, then an open source software can be a good choice. It’s free and allows for experimentation without a financial commitment. However, if you are a professional or some small construction firm, then proprietary CAD software might be a good choice for you.While it may require an initial investment, proprietary options provide advanced features and industry-specific tools, which may be more suitable for your project.

How to Choose the Right CAD Software

When choosing CAD software, you need to consider things like project scope, collaboration features, budget, learning curve, compatibility, and the ease of use of that software.

  • Project scope: The scope of your project is usually the main factor that determines which software you use.
  • Task and collaboration: Consider whether you’ll be working with clients, colleagues, or other stakeholders.
  • Budget: Set a clear budget for your CAD software.
  • Learning curve: Consider your CAD proficiency and whether you’ll benefit from corporate training.
  • Compatibility: Whether the software is compatible with other systems.
  • Ease of use: How easy is the software to use

In addition, FormsLabs notes in their blog post that you should go over the features the software offers. It can be interesting to choose a piece of CAD software based on features that seem unique or appealing. However, you must also determine whether those features are truly revolutionary, merely minor but marginally useful enhancements, or game changers; and, most importantly, whether you actually require that feature for your project or not.

Conclusion

There are a wide range of options available in CAD software that are suited to different industries and design requirements. To achieve design efficiency, accuracy, and creativity, selecting the appropriate CAD software is essential.

CAD software is required for creating precise and detailed designs in the field of building information modelling (BIM). Using the appropriate CAD software for your BIM projects will allow you to improve design efficiency, accuracy, and creativity.

So, are you ready to implement the BIM process for your construction project?

BIMscaler’s consulting and management services will provide you with end-to-end BIM usage for your project, starting with BIM/model management, content management, project start-up, project meetings, and end-user support, including as-built documentation creation.

As a leading Australian provider of BIM services, BIM Scaler assures you of a professional and effective BIM implementation for your building project.

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