If you work in the field of architecture or mechanical design, you've probably heard the term CAD at least once. CAD is software that supports various design and drafting tasks. In this article, BIMCAD Vietnam will explain everything from an overview of CAD to how to choose software and recommended software options. Please use this document as a reference if you're considering trying CAD or planning to use it in your work.
CAD stands for "Computer Aided Design". Traditionally, designs for buildings and machinery were done by hand. CAD is the technology that allows these designs to be created digitally on computers. With the introduction of CAD, design speed has increased dramatically, and accuracy has also improved. This is because errors that can occur with hand-drawn designs, such as line thickness inconsistencies, are eliminated.
Additionally, when designs are made on a computer, edits and revisions are easily manageable, and keeping track of changes becomes a significant advantage. Since CAD operates on a digital system, design content can be shared quickly and easily with others, even at a distance.
Due to these benefits, CAD has spread rapidly and is now used in various fields.
Even though we refer to CAD software as one category, there are several types available. Below are explanations of five representative CAD software types:
General-purpose CAD refers to software that is not specialized in any particular field but includes the basic functions needed for various types of design. It can be used in a wide range of areas and, since it doesn't include specialized features for a specific field, the cost is relatively affordable. If you only need to check or edit simple drawings, general-purpose CAD should suffice.
Architectural CAD specializes in design for construction. It can produce all necessary plans, from basic design drawings to construction and structural diagrams. Architectural CAD is equipped with convenient functions such as the ability to easily create beams and walls or place symbols within a building layout. There are two types: 2D CAD and 3D CAD, allowing users to choose depending on the situation and needs.
Mechanical CAD software is specialized for designing machines. It is used for designing everything from large equipment like factory machinery or airplanes to small items like smartphones. Mechanical drafting can be very complex, but CAD simplifies the design and revision process. Like architectural CAD, mechanical CAD also comes in both 2D and 3D versions, so it’s important to select the appropriate one based on the task at hand.
System CAD allows for the creation of a series of drawings and designs, ranging from 2D blueprints to 3D perspective views. Some system CADs are specialized in certain fields, such as residential construction. System CAD is simpler to operate than other types like general-purpose CAD, yet still includes functionalities like 3D perspective and data creation.
BIM stands for "Building Information Modeling." It’s a tool that allows you to create a virtual model of a building before actual construction. By creating a 3D model in advance, BIM helps reduce inefficiencies in the construction process and identify potential problems beforehand. BIM allows for detailed input of building materials, dimensions, equipment part numbers, and manufacturers. Furthermore, the construction timeline and related data can be shared with the entire team. Since all data is linked, modifying one aspect automatically updates everything from floor plans to 3D models, making it extremely convenient.
As mentioned earlier, CAD software can be classified into 2D and 3D versions. Below are the characteristics of each:
Now that we’ve covered an overview of CAD software, let’s look at the key points to consider when selecting the right CAD software.
Type of CAD Software: Determine which type of CAD software is suitable for your business. For instance, architectural CAD is necessary for construction sites. On the other hand, if your goal is simple drawing creation and sharing, general-purpose CAD may suffice. Consider both 2D and 3D CAD options based on their respective pros and cons.
Required Features: Each CAD software offers different features. If you focus solely on cost or convenience, you may end up choosing software that lacks essential features. To avoid this, it’s important to list the necessary functions before making a decision. Don’t forget to consider features that would be "nice to have."
Support System: In the event of a CAD software malfunction, operations may come to a halt. Therefore, it is advisable to choose software with a robust support system. Pay attention to support availability, especially if it includes weekends or nighttime assistance to minimize the risk of work stoppages.
Costs for Implementation and Operation: CAD software typically requires a one-time purchase, but additional costs for essential features can quickly add up. Before purchasing, be sure to confirm costs for maintenance and additional features.
Operating System Compatibility: Ensure that the CAD software is compatible with the OS your company uses. Also, check the OS version, as outdated versions may not be supported by newer CAD software.
Below are six recommended CAD software options:
This article covered an overview of CAD software, key points for selecting it, and some recommended software. Implementing CAD software can significantly ease design and revision tasks, as well as improve sharing and overall efficiency. Use this guide to choose the best CAD software for your business needs.
Are you struggling with implementing BIM, REVIT, CDE, or any technological and technical aspects of BIM for your project? Don't worry, BIMCAD Vietnam is here to support you every step of the way!
