Making the Switch from 2D to 3D CAD

Whether you're an architect, product designer, or casual CAD user, I'm sure you'll soon be faced with the inevitable transition from a 2D to a 3D-based CAD tool (that's if you haven't already). The increasing advances in technology and the widespread use of computer graphics in film and TV are rapidly increasing the demand for a 3D workflow, begging the question "Can I stay in business using 2D?"

The problems many design industry professionals or departments working in 2D face, is the added value that competitors producing 3D models can offer clients. Photorealistic visualisations or the ability to rapidly prototype concepts and ideas from 3D data to physical objects through CNC'd machining and manufacture are all possible with 3D models. In reality the only real way to stay in business and ensure that client expectations are met is to take the plunge into three-dimensions.

With such a wide range of 3D modelling applications on the market, each varying in price and claiming to meet the demands of a specific sector, choosing the correct application can be an extremely daunting process. The key here is to address the major concerns with the transition; product usability & learning curve, the ability to read & use legacy 2D data, and the total cost of ownership and use.

Ease of use

When taking on any new software or process, a learning curve is expected during its integration. In order minimise any productivity loss, a 3D application that is going to help wherever possible is needed. From simple things like familiar layout and controls to other common desktop applications, to more complex features such as intuitive help as you work, online tutorials, and walk-throughs. Thankfully though, as time has moved on, the dark old days of powerful but extremely difficult to master 3D CAD systems are over, making the first step into three-dimensions that little bit easier!

Your existing 2D data

The importance of being able to use old or existing files are of key concern when introducing new software. Although there are systems that translate files from one standard to another, anyone that has ever tried will tell you that this is never clear cut; lines are often missed and data accuracy can often be reduced, resulting in extra hours repairing damaged data. The solution is to make sure that your application of choice features an internal integrated application that will support and directly allow the use of your 2D data.

Cost

Cost is often misleading when it comes to looking at new 3D modelling software. It's important to remember that the initial cost of entry-level software may be small but the complete cost of ownership may not. There are additional costs for consideration, including; any training needed, installation support, and/or the cost of upgrading your workstations.

Extendibility and downstream capabilities

It's important to consider any future needs that may arise for your 3D software. Although entry-level CAD software may serve its purpose well at the outset, it may begin to seem limited as you progress into producing complex geometries or photorealist images.

The use of better quality CAD systems can open the doors to the seamless integration of CAD, CAM and CAE applications for the generation of tool paths for concurrent engineering processes and rapid prototyping. From an engineering point of view, CAM/CAE integration and the use of photorealistic engineering for marketing purposes can drastically reduce the time to market for the majority of products.

Now don't get me wrong, entry level CAD programs are a great way to start working into 3D, and for some users may be sufficient for all of their future needs, but it is important to be aware of their limitations as the business develops.

The benefits of 3D

In a nut-shell, the pure freedom that 3D modelling offers relative to the unwieldy processes of 2D drafting is, as far as I'm concerned, benefit enough. The ability to look at your creations on-screen, spin, rotate and then assemble them ready for sending downstream to manufacture really makes the switch a no-brainer.

3D CAD systems also allow for the simple extraction of engineering drawings or documentation. Although never completely automated, this process is greatly simplified by letting you extract data from the 3D models database. The great benefit here is being able to make changes to your model and then have your drawings automatically update themselves with out the need to re-draw.

Taking your designs to the next level, 3D models open the doors to animations and visual presentations of products - whether that be a an architectural walk-through or a product in action, it's easy to offer presentations that impress.

Whatever your stage in the 2D to 3D transition, it's important to remember that there will be hurdles along the way. Both you and your team need to be prepared and it's always beneficial to have the backing of 3^rd party experts to help you make the right decisions.

For more information, don't hesitate to call our 3D team on 03332 409 309 or email 3D@jigsaw24.com

References:Going from 2D to 3D: why make the change now (pdf) - GaryLamit, ME