From 3D to 4D Printing: Transforming the way Micro Scale Structures are printed

Technology has grown up to a large extent in the recent past years. It showed some of the technical marvels that were never imagined before. One of them was the evolution of the 3D printing technology that made it possible to transform computer models into real world objects.

Ever since the dawn of 3D printing, it never left the sky. The technology first started printing with metal alloys and plastic materials. Growth never stopped and now a number of other materials have been used to produce 3D printed objects. Technology made it possible to use a different “inks” that made it possible even to print living cells and semiconductor batteries.

3D printing soon entered the micro scale device manufacturing. Experts, scientists and researchers from the top organizations such as University of Harvard, Cambridge, Princeton, UCLA, and Minnesota have been constantly working on this 3D printing technology and soon came up with designing micro scale devices and gadgets that were even smaller than the width of a human hair.

On the way forward, material science experts and Biologists worked together to take things on a complete new level.

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  1. They developed objects that hold properties of both- life science and electronics.
  2. Materials with multivariate characteristics of materials were developed that can be potentially used as a fluid in micro-scale printing.
  3. On the same way, scientists from the University of Princeton developed a fully functional bionic ear blending biology and electronics together.

The Next Step- 4D Printing

Professor Lewis, a researcher from the Harvard University has been working on this technology in her Lewis lab from a while. She has been showing a keen interest on developing 3D printed objects that had features as small as one micrometer. The Lewis lab again gained recognition when they developed objects that actively responded to external stimuli.

Inspired by many plants that responds by the external stimuli, this 4D technology was a big breakthrough.

 

  1. The 4D-printed hydrogel composite structure changed shapes when immersed in water.
  2. Objects now started moving in the fourth dimension when we were only brainstorming around the third one.
  3. Combining both biological as well as electronic properties, researchers soon developed micro scale structures.
  4. 4D printing soon made objects change into any arbitrary shape using any suitable material.

This 4D printing technology is said to be competent enough to print dynamic micro scale structures that can significantly contribute in both industrial as well as medical domains.

The Three Dimensional Internet of Things Information Changing Lives

The Internet of Things involves connecting devices or gadgets over the internet to transfer data through a unique identifier or an IP number. Much of the rise in IoT communication comes from computing devices and embedded sensor system used in smart energy grids, machine-to-machine (M2M) communication, vehicle to vehicle communication, home and building automation and wearable computing devices.

Internet of Things has even changed the lifestyle right inside our homes, making many applications automated and adding an exceptional level of comfort to our nests. IoT uses a multidimensional architecture as a key driver creating value for the Home IoT.

Catering to the Dynamic Needs of the Home Environment

A typical home environment cannot be said as static, there are people moving around- inside and outside of the house. They use different areas and facilities of the home such as Microwave, Washing Machines, etc. Therefore, the IoT architecture of a home must be structured and focused around its primary users- its inhabitants- rather than the devices used by them.

For the success of the IoT architecture in a home, it is important to efficiently manage the conflicting demands of all the occupants. For example, one person prefers a high room temperature, whereas, the other like it a bit low. Or, one person wants to enter the home while the other is asleep, in this case, the IoT can scan for security and allow him or her to enter into the house without waking up the other. To efficiently manage such scenarios, the devices connected via the IoT architecture must be capable enough. We can state that the IoT architecture should ideally be based on three dimensions- People, Activities and moments of the day.

Meeting Unique Lifestyle Needs

IoT for home systems cannot be based upon the interaction of a single person with the array of devices. Rather, a home occupies a number of people with their unique lifestyles. The Home IoT architecture systems should be strengthened by taking into account the personal preferences of all possible inhabitants.

People living in a home may vary in age groups- they can be senior citizens, middle aged people with kids and the toddlers. A home may also occupy friends and children of friends often or occasionally. An efficient IoT architecture should be capable enough to meet each and every needs of the people. Such as temperature control for seniors and toddlers. Tracking toddlers as they play unattended. Locking certain rooms when guests are home. Securing play stations from the children of friends and much more.

Controlling Multiple Activities

An efficient IoT system in a home should consider, monitor and track all the activities that take place in a home. Daily activities can be cooking, cleaning, watching television, studying, doing the laundry, playing games etc. The IoT architecture should be efficient enough to manage all these activities as they can take place one at a time or all together at the same time by different people.

In terms of the IoT architecture, the challenge of this technology lies in establishing combinations of activities that can be allowed at a same time or are even not allowed at all, as well as desirable inclusive and mutually exclusive activities.

One such example can be, disabling music players or televisions while an automated vacuum cleaner is in operations, as it is no point in listening to them or watching them as the noise from the vacuum cleaner can drawn the sound of TV and music speakers.

Aligning to the Daily Routine

There is defined routine a home follows throughout the day, starting from waking up in the morning, to the night’s sleep. Also, two people living in one home may have different needs and routines. A best IoT structure should work in context to the everyday routine a home follows according to the requirements depending on the time of the day.
The structure starts working as people leave for work or school, the house is relatively in a dormant state with only security devices active. The activity of the house increases only during certain times of a day. Also, change in routine during weekends or holiday can add an additional layer of complexity in the architecture. The IoT structure is efficient enough to manage these changes with routines during the course of time.

Addressing the Living Context

It is very important for a good IoT architecture to map the people, activities and moments of the day to create a functional three- dimensional model of the home. This model provides a living context, from which discrete or multi-faceted sub groups or relationships can be identified.

The living context can be imposed on living areas as well as devices. Each interaction with the devices must have a certain rules that must be followed. Additionally, the whole architecture also has a supported central hub to control all devices. All the new devices must be connected to this device to bring them into action for the home IoT architecture.

Developing the Winning Home Environment

A home can be turned into a complete IoT system only if the architecture revolves around the people who lives in the house. Focused human interaction and a good design are paramount factors for an efficient IoT structure. In the absence of these elements, users will be left with a series of devices that barely connect and telling people what they already know. Economy, efficiency, security requirements should also be engineered and designed against the three dimensional model to create highly relevant solutions.

As the internet has changed everyday lives of people making communication easier and flexible, IoT will transform people’s lives to a great extent and in a more proudly way than the internet itself.

A decade from now, people will be dependent on knowledge derived from the continuous stream of data from our smart home devices or wearable gadgets. The concept of IoT will help us to make better and informed, more accurate and more timely decisions that will undoubtedly improve our lifestyle.

 

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3D Printing Paving Paths for Bright Future

Every other day a new miracle makes it to the news, 3D printers built a bridge, 3D printers made prosthetics, 3D printed organs soon going to hit the medical world, and many more. Though, are the 3D printers really such a big hype? Yes, it is! 3D printers have made possible many things that we thought could not be achieved not to mention, this technology has reduced the efforts and time put into building many things. With each successive day, manufacturers are looking forward to more customized products may it be machinery parts, ornamental commodities or even clothes and jewelry.

3D Printing and Progress Made So Far

There is no doubt that a big chunk of products that we are going to come across in the near future will be 3D printed. According to a report by Wohler’s the transition taking place from 2013 to 2018 will mark an increase in revenue generated by 3D printing industry from $3.07 billion to $12.8 billion and is expected to cross the mark of $21 billion by the year 2020. With low acquisition cost, comparatively less training and tremendous potential, manufacturers are realizing the extent of profits that can be made using 3D printers.

Tapping into the Potential of 3D Printers

The reason why 3D printing is expected to grow like wildfire is its development time. 3D printers make it exceptionally easy to develop an idea and materialize it by using a 3D printer making the manufacturing process time really short leading to more products being developed in a relatively less amount of time. The main potential of 3D printers lies in materializing things from our imagination. If you can think it, prototype it, you can build it. This provides an edge to customization with low risk involved and dealing with failure of the product at a cheap cost.

Growth and Job Prospects

Owing to the predicted giant inclination in revenue generated by additive manufacturing, it is proportionately expected that job scopes will follow suit hand in hand. With the 3D printing industry growing at a rapid rate of 14%, it will require people to cater to the high rising demand for job profiles like 3D design, 3D CAD modeling, research and development, biological and scientific modeling, architecture and construction modeling, education, legal professions, 3D printing as a service franchise, and many more. According to Forbes, the number of jobs with 3D printing in its profile has increased by 1834% in just 4 years, no industry yet has witnessed such a boom. Undoubtedly, we are going to witness a lot of job scope in additive manufacturing in the years to come.

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Importance of 3D visualization in construction

Undoubtedly, 3D architecture and rendering is affecting the efficiency and visual communication in building design and construction. The introduction of 3D visualizations right into the project development life-cycle, certainly, made the project communication simple. The process of underlying the creation of building needs an architect to understand both the functions and the beauty of the project. Hence, more than ever, now a days architects are using 3D renderings and technologies to formulate the prototypes of the construction projects they are working on.

The Challenge

One of the major challenges the construction business faces during the whole process is, turning drawings and ideas into reality. And for this, before starting the project, the construction staff must have a mental picture of what is to be built.

The challenge also arrives when the client or his representative asks about the progress of the project- what tasks have been accomplished, what are the next steps and how will they take place. The reply to such a question is in the form of a tiresome and lengthy document.

In case of public construction projects, important ministers may visit the site and want to track details of the project. In such cases, a 3D model of the project can be an effective way to communicate the message.

The Solution

With significant advances in the construction industry, the process of modeling projects shifted from 2D drawings to 3D visualizations. When we talk about 3D visualization, elements such as infographics, animations, timelines, photographs and video footages can be integrated to design the 3D models of the projects under construction or are needed to be approved.

3D visualizations can be the best way to capture someone’s attention and make a lasting impression as people remember something more that they saw, rather than something that they read. Visual communication in construction through visual aids is a powerful method to inform, educate or to deliver a message, or a vision across prospects or to persuade an audience.

Uses and benefits

3D visualizations can be added in Power Point presentations and technical films that can be displayed in Tender presentations describing how the project will be undertaken. These visualizations can contain not only the project prototype, but also the sequence of tasks, proposed methods, plans and timelines. 3D visualizations can enhance construction studies and result to a faster decision making process. The visualizations can be shown to the Ministers for a quick glance about the project and also can be used by the construction team for better project planning and management.

There are a number of CAD softwares and tools that many architectures and designers use every day for designing the 3D models for their construction projects such as AutoCAD, Revit Architecture, Civil 3D, ANSYS Civil, 3Ds Max, STAAD.Pro and ArchiCAD. Additionally, the CADD Centre offers trainings and certifications for students as well as working professionals to make them skilled and prove their competency in the construction business.

3D Printing the Future

3dprintingthefutureAs applications of the technology expand and prices drop, the first big implication is that more goods will be manufactured in or close to their point of purchase or consumption. This might even build houses! Many goods that have relied on the scale efficiencies of large, centralized plants will be produced locally. Cars which are made today by a few hundred factories around the world might one day be made in every metropolitan area. Parts could be made at dealerships and repair shops, and assembly plants could eliminate the need for supply chain management by making components as needed. Another implication is that goods will be infinitely more customized, because altering them won’t require retooling; only tweaking the instructions in the software. Creativity in meeting individuals’ needs will come to the fore.

It is a small evolutionary step from spraying toner on paper to putting down layers of something more substantial until the layers add up to an object. And yet, by enabling a machine to produce objects of any shape, on the spot and as needed,   3-D printing really is ushering in a new era.

You may soon be living in a 3D- Printed Apartment

The Shanghai-based construction firm WinSun Decoration Design Engineering has unveiled a five-story apartment building made entirely with a giant 3D printer, and is calling it “The world’s tallest 3D-printed building.” With a terracotta brick-like exterior, the building is on display at the Suzhou Industrial Park, along with a 1,100-square-meter (11,840-square-foot) 3D-printed neoclassical mansion.

The buildings were made with a patented “ink” created from a mixture of recycled construction waste, coursed through a 150-meter long printer. This is the same technology that the company demonstrated last year when it printed 10 affordable single-story houses in 24 hours, a feat that captured the imagination of architects, humanitarian aid agencies, and governments looking for alternative housing solutions.

According to the chief engineer of China Construction, Ma Rongquan, who inspected the buildings, informed that both structures are in compliance with national standards.

Ten of the mansions have already been pre-ordered by a Taiwanese real estate group, and the Egyptian government has ordered 20,000 of the affordable single-story houses.

WinSun is not the only company to embark on printing houses—nor does it make the most beautiful 3D buildings—but unlike some of the other companies in the field, its ambitions are global, and it seems to have had some success convincing investors of its scalability. The company has plans to build 3D construction factories in more than 20 countries, including the US, Saudi Arabia, the U.A.E, Qatar, Morocco, and Tunisia. Its engineers are currently working on a printer that turns desert sand into building material.

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India needs China’s 3D-printing construction technology soon

It takes six months on average to build a house in the US. In India, where brick and cement are favored over wood, build times are usually double that, if not more. Meanwhile, a Chinese construction company assembled a 3D-printed house in just three hours.

In India, constructing a house over months at a time means extended periods of noise and dust pollution, unsafe working conditions and the high costs of keeping contractors, security staff and laborers on duty.

By employing 3D-printing to pre-fabricate homes, these issues can be tackled easily. Zhuoda Group, the Chinese firm behind the three-hour construction miracle, says that 90 percent of the house it assembled in front of a live audience was built in a factory, complete with interiors, wiring, plumbing and sanitaryware.

In addition, this method could also reduce India’s reliance on migrant labor from rural areas. Workers are often underpaid (a 2012 study found that men were paid less than $4 a day, while women earned less than half that), pressured to press their children into service and forced to work in unsafe environments. And of course, once construction is complete, they are left out in the cold and at the mercy of labor contractors to find their next project.

This is the sort of technology India needs to invest in next.

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