Senior design old birds talk about how to choose the entry 3D CAD software
Suzhou FUJI Precision Elevator Co.,Ltd , https://www.profuji.com
August 17 09:41:19, 2025
With the rapid advancement of social production technology, 3D CAD software has become an essential tool for many enterprises to enhance their competitive edge. As more companies shift from 2D to 3D CAD systems, it's becoming increasingly important for engineers to master these tools—whether for academic pursuits or career advancement. But how do beginners choose the right 3D CAD software? As someone with years of experience in manufacturing design, I’d like to share some insights and personal experiences on this topic.
You might wonder, “If I already know AutoCAD, do I still need 3D CAD?†The answer is yes. Traditional 2D drawings struggle to represent complex 3D motion and assembly interactions, leading to issues like unclear designs, size mismatches, and structural interference. Plus, 2D lacks parametric flexibility and often doesn’t integrate well with simulation tools or CNC machines. These limitations can cause problems during product assembly, delaying development and increasing costs.
In today’s manufacturing landscape, there's a clear need for more intuitive, parameterized design solutions. 3D CAD software offers realistic virtual models that align better with human thinking and visual habits, reducing repetitive tasks and allowing quick design changes. Popular options in China include Catia, SolidWorks, Creo (formerly Pro/E), NX (formerly UG), and domestic alternatives like CAXA. Each has its strengths and weaknesses.
Catia and NX are powerful but complex, with thousands of commands that can overwhelm beginners. Pro/E requires strict parameterization, which isn't ideal for new product design. SolidWorks is user-friendly but lacks built-in mold and CAM features, requiring integration with third-party tools like MasterCAM. This can be challenging for newcomers. On the other hand, SolidWorks struggles with complex surface modeling, making it less suitable for advanced projects.
Over the past decade, I've used UG and Catia extensively. While they're considered high-end tools, each has its own style. UG excels in machining, while Catia shines in parametric surfaces. Pro/E is known for its robust parametric modeling. Recently, I was asked to test a domestic 3D software. Though I'm used to foreign systems, I gave it a try. The first time, I found the sketching process awkward, with many isolated functions. The second time, using UG's approach, I noticed a lot of 3D features and parameterized wireframes. Rebuilding previous designs felt smooth and efficient—something that aligned well with my workflow.
I also looked into Zhongwang 3D, which was originally developed by VX, an American company acquired by Zhongwang in 2010. It uses hybrid modeling technology, supporting Class A and complex surfaces. Its built-in learning system makes it easier for beginners to get started quickly. However, it still has room for improvement, such as slower updates after parameter changes and weaker CAE and expression features.
We don’t dismiss foreign software or push for domestic alternatives. Both have their place, and we support them all. The key is to choose the right tool based on your needs. Whether it's a foreign or domestic solution, usability should be the top priority. For beginners, simplicity and ease of use matter most. No matter which software you choose, the goal is to make work, study, and life easier. Technology may evolve, but user-friendly design will always be a key factor. So, pick what works best for you, and keep improving your skills along the way.