Anyone who has put in many hours, or at times even weeks of effort into work, may know what its like to lose a part of that work, but the worst thing you can do is to be the cause of your own loss. When you leave your computer, lets say for a bathroom break, an emergency meeting, or even to discuss something away from your machine, it may be natural to just walk away and do what you have to do, but I know from experience that this is a habit you should engrave into your computer work ethic just the same as being polite to the CEO of your organization. Allow me to go deeper, it will make more sense by example:

A few years ago, I took a course called ‘Drafting/Design Tech I’. This was a basic CAD (Computer-Aided-Design) class where we learned how to use the software and along the way, the concepts of good CAD-work, understanding of views, and being able to draw anything we saw in any variation. It was a good experience. One of the few things my instructor told the class immediately after explaining how to log in with our user accounts was to lock our computers.

“Hold down the ‘windows’ button, and push ‘L’. This will lock your computer and protect your work.”

Now why would you want protection? Look at condoms and you’ll see why…Okay, so you won’t get AID’s if you don’t lock your computer, but those of us who didn’t heed the advice of my instructor learned the hard way to lock it up. By good nature, lots of us used to love to walk over to each other’s workstations and talk, hang out, and mess around. By the time we came back, one of several things generally happened to our computers:

1. Our directories were cleared out of any and all work we had in them (hours, or rather weeks of hours, of racking your head over something has just gone down the drain), or

2. Our current drawing file was modified (i.e. a few lines being offset, stretched and skewed, thereby throwing off all dimensions, which is especially bad when being graded on dimensions. Even worse is when somebody scales your entire project, so when you actually build a model of your project, instead of a 1/8 scale between the model and full-size, you have a 19/128ths scale. Firsthand experience sucks.)

3. All of our file names were mixed and mismatched, so when we sat down to work, we faced the unique issue of figuring out each time which of the twenty files is which. Lots of fun when you have an upcoming deadline.

4. Any other creative mischief (i.e. turning the screen by 90 degrees, making windows look retro, or even hiding parts of our drawings so they appear deleted and we appear to be redoing it when we come back)

Besides an annoyance ranging from mild all the way up to a promise of an a$s-kicking after class, locking your computer is important for security. From my experience with multiple private networks, leaving your console unattended while in full access can cause many problems for you and the network. One of your peers with lesser access rights may decide to play a joke on another and it doesn’t turn out funny to the one it was being played on. He reports it to his boss. If the ‘joke’ was in any way decided as unacceptable by the boss, guess which two guys lose their jobs? Or even better if there is a visitor from somewhere and suddenly he has access to all of the top-secret files which are sworn by all employees to only stay on facility? Let me express it in one word: espionage. A car just doesn’t sell as well when every other major car-maker sells exact knock-offs of it because some idiot in your business left the designs and assembly plans in easy access.

Windows Button + L

OR

Alt+Ctrl+Delete , then ‘k’

For this to work, you must have a password set on your account. If your account is not password-protected, here is how to make it so:

(All instructions assume that the user has full administrative access rights)

For Windows XP:

1) Click on the ‘Start’ menu

2) Click on ‘Control Panel’

3) Double-Click on ‘User Accounts’

4) Click on your user account name

5) Click on ‘Create a Password’

6) Follow the on-screen instructions

If you’ve heard of CAD before but weren’t to sure what it referred to, it’s an acronym for Computer Aided Design. You can design three-dimensional images using a wide variety of computer based tools right on the screen of your computer. Architects, design professionals and engineers utilize this technology for 3D CAD modeling.

Industrial Designing

Many of the mechanical and electronic products that you operate have been designed with the benefit of CAD. It provides a cost-effective method for manufacturers to develop a prototype from conceptual drawings, as the 3D model would perfectly translate the finest details of illustrations. Industrial and mechanical engineers rely on CAD to manipulate and test their ideas thoroughly before progressing to the manufacturing stage of product development. The models can be measured for performance at varying stress levels without expending enormous amounts of money to constantly research, re-design and build different versions of the product. Great accuracy and precision is ensured in both the model and the final product. 3D CAD guarantees that products are designed manufactured and hit the retail market in much shorter time than before.

Architectural Creations

2D drawings can easily miss minute details that are crucial to capture the fluid silhouettes and dimensions of modern buildings. Some of the most elaborate architectural masterpieces, such as the spectacular Guggenheim Museum in Bilbao, Spain and the billowing Burj-Al-Arab in Dubai, United Arab Emirates, relied on CAD to maintain the artistic integrity of the architects who designed them. Complex and innovative designs are possible with 3D CAD modeling that produce a true representation of the architect’s vision. Clients can better evaluate and assess the feasibility of the project before agreeing to commit resources especially if they are able to view a small-scale version of the proposed building.

Jewelry prototyping and Jewelry Fashions

Jewellery designers who fashion accessories with the benefit of 3D CAD can bring beautiful and creative concepts to life. They can re-define curves and lines to produce novel creations that stun and surprise you with their imaginativeness. Working with precious stones and expensive metals like platinum, gold and silver, jewellers have little room for error. They have to ensure that designs can actually be manufactured and the stones can be properly set to add lustre and sparkle to the final creation. CAD has been instrumental in providing this assurance.

Benefits of 3D CAD Design

The quality of designs has improved tremendously with the use of 3D CAD. The process is flexible and permits a design professional or engineer to change and redefine material easily and cost effectively. The prototypes can then be rapidly created and will be an accurate reflection of the image onscreen. The expenses involved in making a model are significantly reduced and this technology also eliminates any redundancy in production. The extensive use of paper is curtailed as the whole design and development process shifts to electronic mode.

3D CAD modeling is an indispensable part of modern manufacturing, construction and design. From architecture to engineering, 3D CAD is integral to precise, accurate and state-of-the-art achievements.

For more information regarding 3D Printers please visit Objet Geometries site – http://www.objet.com

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