Deakin University researchers have modelled and crafted the world's first 3D printed pavlova using a custom printer built for less than $500 — just in time for Christmas. The click-and-print pav is more than just an engineering feat; it is an example of how 3D printing technology has advanced enough to …
PhD candidate McCarthy stated, “Since their discovery in the 1960s and ‘70s, these shipwrecks have been studied intensively but there are still many gaps in our knowledge due to the fragmentary nature of the archaeological evidence. Less than 20 contemporary models of these ships are known to survive globally, mostly held in Dutch museums. Our aim is to survey as many of these beautiful models as possible and to apply cutting-edge techniques to do so with maximum detail and precision.”
Many secrets about the Dutch East India ships remain unknown, but McCarthy and van Duivenvoorde said the Ship Shapes program would help to uncover new information. Van Duivenvoorde wrote Dutch East India Company Shipbuilding, an award-winning book on the archaeological evidence for these ships, which provides information about 50 Dutch East India shipwrecks found in oceans around the world. Unfortunately for maritime archeologists, many of the remains have been destroyed by natural decay or through uncontrolled treasure hunting. An in-depth study and analysis of the scale models will help to provide valuable information on the intricate design and decoration of the ships.
Associate Professor van Duivenvoorde talks about the artistic significance of the scale models:
“The models are also fascinating in their own right as objects of art and incredible craftsmanship, originating from the same artistic period that gave us Rembrandt and Vermeer. Each one was built for different reasons and has its own story to tell.”
The Dutch East India Company was founded as a charter company in the Dutch Republic in 1602 and is also known as the United East India, Dutch Vereenigde Oostindische Compagnie (VOC). Their purpose was to protect trade in the Indian Ocean and to assist in the Dutch war of independence from Spain. In addition, the Dutch government granted the company a 21-year monopoly on the Dutch spice trade.
Throughout most of the 17th and 18th centuries, the Dutch East India Company controlled trade in the Indian Ocean and were the first to Europeans to discover the Australian coast in 1606. However, due to powerful trade winds, many ships traveled too far east toward dangerous reefs off the west coast of Australia, leading to many tragic shipwrecks. The shipwrecks have been a major focus among Australian maritime archaeologists and have provided insight into the early presence of Europeans on the Australian continent.
Not all of the known shipwrecks in Australian waters have been discovered, but four main wrecks include the Batavia (1629), the Vergulde Draak (1656), the Zuiddorp (1712) and the Zeewijk (1727). This has led to a signed agreement on joint management between the Netherlands and Australia, who will oversee the discovery and preservation of relics and other information found in the shipwrecks. Fieldwork of the Dutch shipwrecks Zeewijk and Batavia is currently in process by Dutch and Australian maritime archaeologists from the Western Australian Museum and Flinders University as part of the ‘Shipwrecks of the Roaring ’40s’ project.
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[Source/Images: Flinders University]
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3D printing offers a wide range of benefits, from the production of lightweight and quality parts to speed, affordability, and the opportunity to work in a self-sustained fashion, often cutting out the middleman. While most of these benefits also apply to design projects being produced in schools, the technology—now available in many learning institutions at all levels—also teaches students about advanced and alternative manufacturing, providing them with progressive skill sets that are projected to be in high demand in the future.
At Inholland University in the Netherlands, aviation technology students recently made a functional 3D printed rocket in class. In this project they learned about all the details that must be considered for end-use parts required for such a lightweight rocket—from aerodynamics to weight and strength. The first two rockets the students built were fully functional, measuring eight feet tall. They were not completely 3D printed, however, constructed also with composite carbon fiber parts. The class is now working on a new rocket that is made of all 3D printed parts, and this involves making some adjustments in their design process so that 3D printing is considered at the time parts are being conceptualized and designed.
The Ultimaker 2+ is the 3D printer of choice at Inholland, producing the lightweight parts required. The students learned about speed in turnaround times in comparison to traditional manufacturing—along with seeing how quickly they could re-design and improve parts when necessary without incurring great expense.
“We use 3D printing primarily in the design process,” says Martin Kampinga, aviation technology teacher at Inholland. “We design a model on the PC and print it out to continue working on it.”
“We’re an applied sciences study, so everything we teach we try to apply in practice as well,” continued Kampinga. “Students primarily learn about strength calculations, aerodynamics, everything that has something to do with airplanes.”
The second rocket, Aquilo II, was successfully launched by the class, returning to them by parachute. It’s beneficial in any environment to be able to produce objects at an accelerated rate, but especially in the classroom as users are only there for a limited time each week.
“I think every university should use this in their curriculum,” says Kampinga. “University is where it happens.”
“Students that are graduating 4 years from now will see that technologies have changed in the course of their studies. Educational institutions should provide students with the latest knowledge and developments and show them that alternative production methods like 3D printing exist.”
If you are interested in creating a similar lesson plan in your own classroom, see more information on that from Ultimaker here. You can also find out more about using 3D printing at the university level here.