Future-proofing mechanical engineering with the best 3D CAD software

Because 3D modeling applications are used in various industries, it is important for designers and mechanical engineers to understand 3D CAD software. This article explores the world of 3D CAD software, including its uses, features, selection criteria for different user profiles, the best programs for mechanical engineering in 2024, and future developments of this technology.

The Birth and Beginnings of 3D CAD Software

Computer Aided Design (CAD) software has come a long way since the term was coined by Doug Ross at MIT in 1959. From Dr. Patrick J. Hanratty's pioneering work on the first numerically controlled programming systems in 1957, to its widespread adoption in the automotive, aerospace, and consumer electronics industries in the 1980s, to today’s cloud-based and AI-integrated tools, 3D CAD programs are revolutionizing the way we conceptualize, design, and manufacture products.

This technology is now a cornerstone in industries as diverse as gaming, entertainment, construction, healthcare, architecture and electrical engineering, making it an essential part of our daily lives. Whether it’s the tools we use, the vehicles we drive or the buildings we live in, designs are often created using 3D CAD software. But what exactly makes 3D CAD software such an indispensable tool in design and engineering?

What is 3D CAD Software and why is it so Important?

3D CAD software is a technology that enables designers and engineers to create detailed three-dimensional models of physical objects. These models can range from simple shapes to complicated mechanical components. With advanced CAD tools, designers can create highly detailed models that serve as prototypes and provide a better understanding of product functionality.

Unlike traditional drafting, 3D CAD allows for interactive design, providing dynamic representations of objects from any angle, as well as simulations under real-world conditions. These lifelike models are crucial for visualizing, testing, and optimizing new products, systems or structures prior to production.

Spectrum of 3D CAD Software: Beginners to Pros

The spectrum of 3D design is broad. At one end, there is art - a realm of abstract creativity and boundless imagination. Software in this category enables artists to create characters and environments from digital clay, bringing games, movies, and animations to life. At the other end of the spectrum is mechanical engineering - a world where precision reigns and every curve and contour is meticulously drawn.

Different Types of 3D CAD Software

There are multiple 3D CAD software systems out there, each tailored to different industry needs and design processes. These include freeform, polygonal, sculpting, parametric, and generative design software. Each type has unique features, from creating intricate organic shapes to simulating complex engineering processes. Broadly speaking, 3D CAD software can be categorized into three types:

Solid modelers are essential in 3D design because they create precise, detailed volumes that mimic real-world objects. They offer features such as simulation, analysis, and visualization, making them ideal for manufacturing and engineering. These tools support complex operations like cutting and joining, ensuring accuracy in projects.

Wireframe modelers provide a basic, skeletal representation of 3D objects using lines and vertices and form the basis for initial design concepts. They are ideal for quick visualizations and iterations and provide an efficient way to sketch structures and layouts without the details of solid or surface modeling.

Surface modelers focus on the outer contours of an object to design complex shapes and aesthetics without defining its volume. In fields where shape and appearance are crucial, such as the automotive industry, consumer product design, and character animation, details and smooth transitions are particularly important.

3D CAD Program-Specific Features and Requirements

For optimal performance of 3D CAD software, it is important to have a system that meets or exceeds certain hardware requirements, which may vary by program. More powerful hardware may be necessary for advanced features like real-time rendering, simulation, and generative design.

Generally, a system should run on the latest versions of Windows, although some CAD applications are also available for macOS and Linux. Additionally, cloud-based solutions are accessible through compatible web browsers. We recommend using a fast multi-core processor (Intel i5/i7/i9 or AMD Ryzen 5/7/9 series), at least 8GB of RAM (16GB or more for larger projects), a dedicated graphics card (NVIDIA's Quadro or AMD's Radeon Pro series for professional use, or consumer cards for less demanding tasks), and a 256GB or larger SSD for faster data access and system responsiveness. Cloud-based solutions require a stable and fast Internet connection. Also note that professional CAD mouse and high-resolution monitor peripherals can significantly enhance the design process.

How Do You Choose the 3D CAD Software that is Right for You?

Selecting the appropriate 3D CAD software involves more than just comparing features and capabilities. It also requires evaluating how well the software aligns with the user's skill level, project complexity, as well as understanding the system requirements. Software beginners seek an intuitive interface and ample learning resources. Artists prefer programs that offer sculpting and texturing features, while engineers require software with robust modeling tools and simulation capabilities.

When choosing CAD software, you should ask yourself the following questions:

What is the software learning curve?

Make sure to match the complexity of the software to your personal proficiency. For instance, beginners should choose user-friendly platforms with comprehensive tutorials. User reviews can help in determining the exact skill level needed.

What are your specific 3D printing needs?

If you are interested in 3D printing, search for software that supports STL and other relevant file formats and has features designed for the 3D printing process.

What are the hardware requirements?

To ensure a smooth experience, your computer hardware must meet or exceed the software's system requirements. It's important to note that cloud-based options can reduce the need for high-end hardware.

What's my budget?

Software prices vary considerably, from free and open-source options to subscription-based or one-time purchase models. Consider your budget and the software's value proposition for your specific needs.

The Best 3D CAD Software for Mechanical Engineers: An In-Depth Exploration

In engineering, 3D modeling software typically uses a parametric approach and serves industries ranging from automotive and aerospace to construction and consumer products. There are many software options available, each with a range of tools designed for varying levels of complexity and expertise. SOLIDWORKS and CATIA are two of the most widely used software options in this industry and are used to design complex machinery, architectural marvels, and sleek consumer products.

SOLIDWORKS Reigns Supreme

SOLIDWORKS remains a cornerstone for mechanical engineers due to its robust suite of tools tailored to: 

  • Design 
  • Simulation 
  • Manufacturing processes 


The software is the preferred solution for developing complex mechanical systems. Its capabilities in modeling solids, creating assemblies and producing detailed designs are unmatched. Engineers can refine their designs to achieve optimal performance and reliability using the software's advanced simulation capabilities, such as stress, strain, and fluid dynamics analysis.

CATIA, the ultimate software

CATIA is the ultimate software for:

  • Exceptional surface modeling capabilities
  • Managing complex assemblies


It is the preferred choice for projects that require the highest degree of precision and sophistication, particularly in industries such as automotive and aerospace. With CATIA, engineers can create intricate models that push the boundaries of design innovation and help them realize highly specialized projects with ease and confidence.

3DS Store: A Hub of Innovation

The 3DS Store provides innovative software solutions for a wide range of design and engineering needs, including Design and Product Lifecycle Management (PLM). It offers products that enable users to realize their potential, streamline their workflows, and bring their ideas to life with unparalleled efficiency and ease.

Conclusion: 3D CAD Software: A Future-Proof Investment

When you’re choosing the SOLIDWORKS Cloud offering as your 3D CAD software, you're not only choosing a software package, but also investing in a future-proof solution that will evolve with the industry. The cloud infrastructure provides users with access to the latest tools and features without the need for manual updates or high-end hardware. It's a scalable, flexible solution that grows with your needs and ensures you stay at the forefront of design and engineering technology.

The development of 3D CAD software represents a transformative phase in design and manufacturing. These tools not only enhance the skills of designers and engineers, but also promote collaboration, efficiency and innovation throughout the product development lifecycle. They haven’t just changed the industries in which they're used, but also the way we conceptualize and interact with the physical world around us. As technology advances, these software solutions have the potential to redefine industry standards and encourage the development of designs that have never been seen before.