An interesting discovery awaits lovers of healthy food in Austria. Vegan meat substitutes have been around for a long time. You can’t surprise anyone with soy cutlets on supermarket shelves. After that, this year, in March, the Viennese company Revo Foods is going to produce vegan salmon on a 3D printer.

Vegan seafood with a mission

There are almost no fish of plant origin on the market, says the company owner Robin Sims. “We intend to offer an alternative to overfishing and industrial aquaculture”, says Robin.

According to the entrepreneur, a special 3D printer making for these purposes. Only natural and healthy ingredients are used in the production of vegan salmon. There are eleven of them in total. It including algae extracts from Holland, vegetable oils from Austria, and legume proteins from the Netherlands.

Revo Foods said that they are very proud of the fantastic nutritional content that is high in omega-3 and protein. This plant-based salmon contains absolutely no heavy metals, microplastics, antibiotics, or any other waste materials found in industrial aquaculture salmon.

In conclusion, the company considers the advantages of its products to be obvious since and, most importantly, it does not contain antibiotics and other health harmful substances. The trial batch was convincing in a perfectly good taste of vegan salmon. Salmon production from the printer is scheduling to begin in late summer.

Picture Credit: Pexels

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A Polish manufacturer, Omni3D started in 2013 by producing cheap open-source FDM printers. Three years later, the company released the first professional 3D printer, which remains a key model in the manufacturer’s catalog – Factory 2.0.

Currently, the manufacturer is developing cooperation with industrial and scientific and educational centers, and accordingly, a professional line of 3D printers is developing. In early 2020, an amateur-grade model appeared with the Omni3D logo: Omni200.

The Omni200 3D printer can be classified in the high end of the hobbyist segment. The functionality of the device is typical for devices of this class.

The main feature of the Polish model is the presence of an all-metal body and an aluminum extruder. A closed case means that the object during the printing process is protected from sudden changes in ambient temperature, drafts, for example, and the likelihood of the appearance of defects associated with them – delamination, peeling of the model from the platform – is minimal.

In addition, a closed chamber provides a higher level of security compared to an open one. Therefore, the Omni200 can be considered as a 3D printer for a school or other educational institution.

Another quality feature is the presence of a flexible magnetic substrate. The use of a flexible backing means that the printed article is easy to remove from the cooking chamber and peel off from the backing.

The capabilities of the Omni200 3D printer are typical of the basic segment. The maximum temperature of the extruder is 260ºC and the working table is 100ºC. The dimensions of the working chamber are 200x200x200 mm. With a minimum print layer thickness of 50 microns, the accuracy will be sufficient for most projects.

Contents of delivery

The Omni200 is a factory-assembled device. It can be plugged in and used out of the box. Since all components are installed initially, only the flexible backing, instructions, and warranty card are included with the printer.

Preparation for work

Getting the Omni200 up and running is the same as setting up any desktop indoor 3D printer. There is a filament compartment on the printer under the cover. The operator installs the spool and feeds the filament through the Teflon tube into the extruder. Files are downloaded to the printer from the SD card.

Software

The manufacturer recommends using the Simplify 3D slicer with its printers. This program is designed for both experienced and novice users. The Simplify 3D interface is quite simple. An important advantage for some users will be compatibility not only with Windows but also with Linux and MacOS.

Expendable materials

The Omni200 is designed for use with common filaments with a melting point of 250 ºC or less. Plastic materials with different physical and chemical characteristics are available to the user:

• FLEX;
• PLA;
• ABS;
• Nylon.

Examples of using

One of the most common uses for FDM printers of this level is to create bright merchandise and original gifts.

Omni3D used a 3D printer to print a souvenir heart for Valentine’s Day.

The printer is also used to create tutorials, autotuning parts, and other products.

Pros and cons of the Omni200

Pros:

• All-metal printing chamber;
• Aluminum extruder;
• Reputable manufacturer.

Cons:

• Does not work with refractory plastics (from 260°C).

The Polish Omni200 printer, amateur in functionality, but quite professional in the quality of workmanship and printing, can be considered as a device for educational institutions, as well as for the manufacture of small parts of prototypes and homemade devices, or as a trial purchase to get acquainted with the quality of the brand’s products.

The device is made reliably, provides a predictably excellent work result, but the device does not stand out against the background of numerous competitors. The machine is equipped with one extruder and a standard size print chamber. The market’s typical maximum extruder temperature of 260ºC is sufficient for many educational, promotional, and DIY projects.

Picture Credit: Omni3D

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New project by researchers from New Zealand – program associated with the development of equipment for 3d scanning of biological images. Scientists are working on a spectral molecular scanner capable of producing color models of the interior of the body, including bone and soft tissue.

The project could become a new word in medical imaging technologies – 3D models will provide doctors with data that are not available for Computed tomography scan (CT), Magnetic resonance imaging (MRI), and Positron emission tomography (PET).

It is expected that the scanner will allow for more accurate diagnoses and tracking of diseases – in turn, it will improve patient care, especially for stroke prevention, joint replacement, and cancer monitoring.

The new 3D scanner Mars is similar in many ways to a standard X-ray CT system, but with improved spatial resolution and color rendering. The Mars program compares the importance of moving from black and white to color 3D scanning to the introduction of color photography.

The scanner uses two Medpix3 detectors connected to 110-micron high-Z sensors and a 2 milliseconds storyboard. The equipment is able to determine the density and atomic composition of the sample – the first parameter sets the brightness, and the second – the color. The X-ray source in the scanner has a peak voltage of 20 kV and a current of 350 μA.

The project is supported by a $12 million grant from the New Zealand Ministry of Bussiness, Innovation & Employment – the team also received the highest award for research initiative. Specialists from MedTech Centre of Research Excellence participated in the development, and a high-precision CT scanner for the first phase of the project was provided by GE Healthcare.

The introduction of the new Mars 3D scanner has the potential to revolutionize surgery and diagnostics by rapidly acquiring high-precision images while exposing patients to less radiation.

In addition to medicine, the development can be applied in other industries, such as the border service, forestry, and agriculture, as well as mining.

Picture Credit: Unsplash

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The Danish startup Particle3D has developed a technology for printing porous bone prostheses from calcium orthophosphate and is ready to start testing it on humans in the near future.

This was reported by the publication “Popular Mechanics”.

Yes, this technology allows not only to create individual prostheses for each patient but also to restore living skeletal tissue in a few years.

Created implants quickly begin to be replaced by cells of the body and after a while turn into real bones. Scientists conducted tests on pigs and mice, which showed that eight weeks after surgery, blood vessels germinate in the prosthesis.

The first tests of similar technology, which were conducted on humans in the United States, suggest that the complete replacement of the prosthesis by body cells occurs in less than a year.

However, such prostheses have a disadvantage – their lower strength compared to real bones. That is until the full recovery of the limb can not be applied.

To create such a prosthesis, it is necessary to scan the damaged area, download the data to the computer-aided design system, make adjustments to the resulting model, and send for printing.

The use of such prostheses involves only one operation to install them. In addition, the printed design can make the necessary medication, which will be released within a few months after implant placement.

Picture Credit: Unsplash

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American architectural studio Hannah, in collaboration with students at Cornell University, created a small eco-home in upstate New York using 3D concrete printing.

Also in the design used substandard ash wood. The design, called Ashen Cabin, demonstrates the potential for using both types of materials to produce environmentally sustainable facilities.

An environmentally-friendly project demonstrates how substandard wood, in this case, infected with ash emerald gold beetles, can be used in combination with 3D printing to build a suburban home.

A small house stands on a printed concrete base consisting of truncated pyramids. Concrete is also present in other constructions, including in the high pipe of the steamer, in the base for the sunbed bench and on the floor of the hut. The rest of the exterior is lined with individually shaped wood panels, and the dwelling also has windows framed by plywood.

Typically, infected ash trees are left to decompose or burn, resulting in carbon dioxide emissions. Using a robotic arm equipped with a saw, the project developers were able to create a wooden cladding of irregular shape and, thus, find a use for wood, which otherwise would simply disappear.

There is no electricity or water in the house, there is only a small concrete washbasin and concrete bench, as well as a retractable plywood structure that can be used as a bed at night.

Picture Credit: Andy Chen, HANNAH

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British biotechnology company FabRx Ltd. announced the specialized pharmaceutical 3D printer M3DIMAKER, designed with the expectation of 3D-printing the pills.

Founded by scientists at University College London, FabRx has been researching various 3D printing methods for personalized drug delivery vehicles over the past six years. Additive pill manufacturing may seem like a weird idea, but it does have a whole bunch of potential benefits.

The most obvious is the possibility of an individual dosage. You can print pills of any size without having to break the standard pills into halves or quarters. However, the same can be done with ordinary capsules, but, in this case, the human factor cannot be ruled out since this is done manually. Much more interesting is the ability to adjust digestibility. For example, a pill can be made instant for those cases where fast-acting drugs are needed, for example, to combat epilepsy. In other cases, prolonged dosing or even delivery of the drug to a specific section of the digestive tract may be preferable.

Since 2014, the FabRx team has been working on various methods for 3D printing of pills and experimenting not only with basic materials, but also with pill forms: in one of the early series of experiments, scientists evaluated the dissolution rate of cylindrical, spherical, cubic, and even pyramidal pills. It would be at least impractical to produce complex forms using traditional methods, that is, pressing or extrusion followed by cutting, and even individually. Hence the idea of ​​3D printing pills of an adjustable shape and with an adjustable composition.

Although the company conducted many experiments using stereolithography and selective laser sintering technologies, the choice of technology for a specialized additive system of its design fell on the layering of a polymer rod. Of course, safe, biocompatible polymers, such as water-soluble polyvinyl alcohol, are used as the base material. The drug can be mixed directly into the raw materials during the manufacture of the filament, or you can use the second feeding system – a screw mechanism built into the same head and the feeding powder. Accordingly, you can adjust the content of the drug at all stages of printing, combine different drugs, and at the same time grow tablets of any size and the most ingenious forms.

Regarding productivity, the developers claim that 3D printing of an individual four-week supply of twenty-eight pills takes about eight minutes. The equipment allegedly has already passed successful tests in hospitals, pharmacies, and research institutions, and now it is ready to enter the commercial market.

Picture Credit: Unsplash

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3D printing capabilities are designed to combat the spread of coronavirus.

Coronavirus COVID-19 continues to rage in Italy: according to the latest data, more than 59 thousand people were infected, more than 5 thousand people died.

The need for medical supplies and equipment during a pandemic significantly exceeds the capabilities of existing manufacturers. Therefore, all the forces of mankind are mobilized to cover demand. Even if we are talking about private owners of 3D printing systems.

What happened?

Due to the coronavirus pandemic, the hospital in the Italian city of Brescia was out of supplies of disposable valves for mechanical ventilation devices. They are needed to provide an accurate supply of pure oxygen. There were 250 patients in the intensive care unit at the Brescia hospital. Valves for ventilators must be replaced every eight hours.

According to Business Insider, due to a shortage of devices, people hospitalized in the hospital began to choke and there was a threat of death.
Local journalist Nuncia Vallini reported about the depletion of valve stocks at the hospital. The company Isinnova responded to her call for help.

It took the engineers less than three hours to create the first prototype. Each valve printed on a 3D printer costs less than € 1. In 24 hours, 100 such valves were printed.

Now the company is ready to provide hospitals in the region with valves for free. Moreover, they have patented their valve. This initiative is absolutely non-profit: the patent will remain in the public domain, and everyone can take up the manufacture of a valve.

After that, Isinnova representatives went further and turned the snorkeling mask (a kind of swimming under the water with a mask and breathing tube and usually with fins) using a printed valve with a respirator.

“This is not a replacement for a pulmonary ventilator,” said startup director Christian Frackassi, “but it can be used in emergency rooms, where patients stay for three days waiting for a bed.”

3D printing in the world

In the state of New York, entrepreneurs of a similar profile helped print over 300 visor-proof masks on their equipment for the local assay processing center.

According to CNBC, sharing experience under the prevailing conditions is critical to the stable functioning of medical equipment. Specialists around the world began to share documentation and recommendations on the repair of ventilators. An open library of instructions for repairing such equipment is formed by the well-known iFixit resource. Hospital staff share tips on the operational repair of ventilators or their modernization to serve several patients at once.

Ready-made projects began to appear on the Web, allowing you to print a reusable respirator on a three-dimensional printer, which is enough to equip with a replaceable filter element and fasteners to replace scarce medical masks with it. They are distributed free of charge with all the necessary instructions. Groups of enthusiasts, in collaboration with the specialists, are trying to develop easy-to-manufacture ventilators, which could be produced in mass quantities on universal equipment.

Picture Credit: Unsplash

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The printed hypercar was faster than the Bugatti Veyron, McLaren F1, and Aston Martin Valkyrie.

3D printers are used in many industries, and now this technology has reached the automotive industry. At the Geneva Motor Show, which starts March 3, 2020, will be presented the first Czinger 21C hypercar printed on a 3D printer.

After a short but spectacular teaser campaign, the American company Czinger Vehicles declassified its first car — the 21C hypercar.

The automaker Czinger revealed all the features of the car before its official presentation.

The “revolutionary production system” mentioned in the descriptions of the hypercar undoubtedly implies that its creation uses 3D printing technology. It was tested in a previous Singer project called Divergent Blade. The use of 3D printers makes the frame very light and compact. The company said that not all of the hypercar was created by a 3D printer, but only its chassis. However, this approach significantly saves costs producing. But you will still have to pay $ 1.7 million to buy the car.

The Czinger 21C uses its own 2.9-liter twin-turbo V8 engine, which develops 937 hp. and spins up to 11 thousand rpm. This car is a hybrid, which means that on the front axle there are also two electric motors that are powered by a 2 kW/h lithium-titanate battery, which is charged from a generator mounted at the rear. The extra power added by electric motors increases the total power of the 21C to 1233 hp, which is more than the McLaren F1, Bugatti Veyron, and Aston Martin Valkyrie.

Such impressive figures are provided by a hybrid power plant with a capacity of 1250 horsepower and a mass of 1250 kg. The drive is based on a 2.88-liter V-shaped eight-cylinder petrol bi-turbo engine with a capacity of 950 horsepower and capable of “spinning” up to 11,000 rpm. This is Czinger’s own development. The moment from the motor is transmitted to the rear wheels through a 7-speed “robot” with a sequential gear selection mechanism and multi-plate clutch.

The mid-size car uses the “1+1” scheme,  so the driver’s seat is in the center position and the passenger seat is located directly behind it, as in a fighter. Collaboration with material manufacturer Alcantara and Vitra AG helped create a luxurious interior inside.

It is planned to produce 80 of these cars. Moreover, 55 of them will be made in the road version, and another 25 pieces — in a track.

The official presentation of the Czinger 21C will be held March 3 this year at the Geneva International Motor Show.

Picture Credit: Mad4Wheels

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MaskiD face masks will be part of a package already consisting of the Neutrogena Skin 360 app and the Skin Scanner appliance that went on sale last year. A small hinged gadget, which plays the role of a kind of microscope, allows iPhone 6 and later smartphones to shoot the face in high resolution, and the application helps to select the necessary preparations for the care of individual skin areas. To make the process even more convenient, the company’s specialists decided to resort to 3D printing of individual masks, modeled according to data from the same mounted scanner.

Hydrogel masks will be selectively soaked with various cosmetics in six zones responsible for the forehead, eyes, nose, cheeks, chin and nasolabial folds: hyaluronic acid to retain moisture, vitamin B3 to improve microcirculation, girlish chamomile extract as an anti-inflammatory agent, glucosamine-stabilized for exfoliation and anti-wrinkle, vitamin C for skin lightening. 3D-printed cosmetic masks will be available in the third quarter of this year, although during the pilot program will be available only to US residents.

Picture Credit: geralt

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Three-dimensional scanning makes it possible to obtain a complex-profile three-dimensional model of the object under study – a 3D scanner digitizes the object, which allows you to quickly make it a mathematical model for subsequent printing on a printer.

The device creates a cloud of points connected by lines that form the geometry of an object from a set of intersecting planes. The obtained coordinates are processed and saved as a parametric model, – you can work with it in any CAD system to remove drawings of individual elements of an object, refine it, adjust dimensions and other parameters necessary for programming the printer.

Where is the 3D scanner used
The scope of scanning equipment is unlimited. The use of additive technologies allows to reduce production costs, reduce waste, reduce the weight of parts made in the traditional way. 3D scanning is used in the following directions:

• aircraft industry;
• shipbuilding;
• manufacture of industrial equipment;
• auto industry;
• military-industrial complex;
• museology and cultural studies (digitization of products in order to preserve the historical heritage);
• construction and design of engineering systems;
• medicine and prosthetics;
• light industry.

Manufacturers of clothing and footwear have already announced that 3D scanners will soon appear in fitting rooms. This approach will allow buyers to order customized outfits and original shoes, and manufacturers – to quickly and accurately reproduce the model without using patterns and confrontation with the client. It is expected that people will be able to use their scanned and digitized silhouettes for a virtual fitting outfits, without the need for dressing up.

3D scanning methods
There are two methods of volumetric scanning – contact and non-contact.

Contact 3D scanner works by touch. The instrument traces the object, and each edge is examined with a special probe. Previously, markers were put on the object under study, forming a coordinate system. In areas with a large bend the distance between the points was made minimal, on flat planes – the maximum. The scanner took the coordinates of the points – a 3D model was formed from them. Modern devices do without applying a physical grid.

3D scanning: purpose, methods and application

Contact scanning does not depend on lighting conditions. Work with the device is easy to learn. But there are a number of drawbacks: the scanner does not distinguish between textures, and for processing a large object, you will have to sweat pretty much with the device in your hands.

The non-contact three-dimensional scanning method is divided into two subspecies: active and passive. Devices for active 3D scanning use ultrasound, a directional light source, a laser or X-rays to irradiate the object under study – the device calculates the return time of the “signal”, forming a coordinate system from the points of contact with the object and the distance to the scanner. The operator scans the object at different angles, and the software glues the parts together.

The advantage of an active type 3D scanner:

• easy to use;
• the process is carried out without physical contact with the object;
• works inside and outside the room;
• does not depend on lighting;
• affordable price;
• it is unnecessary to apply the grid and markers.

At the same time, there are significant omissions:

the scanner is unable to work with mirror surfaces and transparent objects;
To work with small products need powerful optics.

A passive 3D scanner is still the same digital video camera that shoots a test object from different angles, capturing its silhouette. It works only on high-contrast background and in good light. The footage is processed by the software and reduced to a 3D model for printing on a printer or processing in CAD systems.

What to look for when choosing a scanner
A device that is equally good at scanning for engineering and entertainment purposes, while making high-precision models, can cost tens of thousands of dollars. When buying a 3D scanner, you should pay attention to the following parameters:

• scan area;
• the duration of the work area scan;
• accuracy;
• resolution.

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