Webinar On High-Temperature Polymers

High-temperature polymers are all the rage right now in 3D printing, and for good reason. Materials like PEEK, PEKK, and ULTEM are reshaping the manufacturing space with their high strength-to-weight ratios, chemical resistance, and high operating temperatures. As a manufacturer of 3D printers designed for industrial applications, AON3D prepared a webinar to give you the […]

The post Webinar On High-Temperature Polymers appeared first on 3D Printing.

Dassault Systèmes debuts SOLIDWORKS 2020 with new slicing features

Dassault Systèmes, the French software company behind the 3DEXPERIENCE platform, has launched SOLIDWORKS 2020, the 28th edition of its portfolio of 3D design and engineering software.  SOLIDWORKS 2020 features improved performance, streamlined workflows, and support for a connected design ecosystem in the cloud. This includes the new Detailing mode and graphics acceleration for drawings, the Make […]

3D Hangouts – Flying Toasters and Clouds

Live Stream: Wednesday, November 6, 2019 – 11AM ET

Learn guide, code and build photos
https://learn.adafruit.com/circuitpython-sprite-animation-pendant-mario-clouds-flying-toasters/
https://youtu.be/2r9l1TYxcfE

ItsyBitsy M4
https://www.adafruit.com/product/3800

1.3” IPS Display
https://www.adafruit.com/product/4313

1.54” IPS Display
https://www.adafruit.com/product/3787

Lipo backpack
https://www.adafruit.com/product/2124

150mAh battery
https://www.adafruit.com/product/1317

Slide switch
https://www.adafruit.com/product/805

10-wire silicon cover ribbon cable
https://www.adafruit.com/product/3890

TFT Gizmo
https://www.adafruit.com/product/4367

CircuitPython Downloads: https://circuitpython.org/
https://www.youtube.com/adafruit/live #3DHangouts

Flashforge Inventor II 3D Printer
https://www.adafruit.com/product/3897

Filament for 3D Printers
https://www.adafruit.com/product/2080

NinjaFlex
https://www.adafruit.com/product/1690

Ultimaker 2+
https://www.adafruit.com/product/2673

3D Parts Library on GitHub
https://github.com/adafruit/Adafruit_CAD_Parts

Ornament with Circuit Playground Bluefruit
https://www.thingiverse.com/thing:3260431

Turtle Gizmo TFT https://www.adafruit.com/product/4367
https://learn.adafruit.com/turtle-graphics-gizmo

CircuitPython Slider
https://learn.adafruit.com/motorized-camera-slider-mk3

Timelapse Tuesday:
Deadly Rose – Tanya Wiesner
https://www.thingiverse.com/thing:2615873
https://youtu.be/0noiT1RJKoU

Chinese researchers develop all-aqueous 3D bioprinting method for regenerative medicine

Scientists from the School of Medicine, Shenzhen University, China, have developed a Freeform Reconfigurable Embedded All-Liquid (FREAL) bioprinting method to create 3D architectures microstructures. Through compartmentalized bioink with living cells, the 3D printed tissue constructs can facilitate medical models, organ-on-chips, thus furthering regenerative medicine research.  “This offers unique opportunities and powerful tools since limitless formulations […]

Optomec reaches milestone of 500 3D printers installed worldwide

New Mexico-based Aerosol Jet Printing (AJP) and Laser Engineered Net Shaping (LENS) company Optomec has announced the delivery of its 500th 3D printer.  The machine, an Aerosol Jet system, was installed at a division of General Electric (GE). There are now over 20 Optomec 3D printers in use throughout the GE business, implemented for industries […]

Rochester Institute of Technology: Creating Reactive Metal Inks for 3D Printing

In the recently published ‘Three Dimensional Digital Alloying with Reactive Metal Inks,’ author Chaitanya G. Mahajan submitted a dissertation for a PhD at the Kate Gleason College of Engineering at the Rochester Institute of Technology, exploring new ways to 3D print multifunctional components with multiple materials.

Mahajan extensively explores the theory of nanoalloys, including details on core-shell nanoalloys, subcluster nanoalloys, mixed nanoalloys, multishell nanoalloys, along with the factors influencing their structure from strength of atomic bonding to surface energies of bulk elements, atomic size, and more.

The author discusses the variety of nanoalloys, created via a chemical, bottom-up method, as well as a physical top-down method. With bulk metal broken into nanosized particles for the top-down technique, for bottom-up, both atoms and molecules are brought together to construct nanoparticles.

“The main advantage of the top-down approaches is that bulk quantities of nanoparticles can be produced within a short span of time. However, the bottom-up approaches have the advantage of a more homogenous structure with more ordered crystallography within the nanoparticle,” states Mahajan.

The author explains that many applications use alloy nanoparticles; for example, they are employed in biomedical applications for in vivo and in vitro studies. Such materials exhibiting shape-memory effect will be even more useful.

Metal inks are used either with nanoparticles (top-down) or metal-organic decomposition (bottom-up approach) precursor inks, with the active material comprised of a nanoparticle suspension.

Top-down and bottom-up approaches for the synthesis of nanoparticles

“Additives such as surfactants are added to modify the surface tension of the ink, whereas dispersants are added to avoid agglomeration of the nanoparticles in the carrier solvent. To get rid of the carrier solvent, the printed pattern is thermally sintered to form a metallic layer,” stated the author.

Schematic overview of different approaches to form a metallic structure onto a substrate

Here, Mahajan presents a binary copper-nickel system to form an alloy with metal precursor inks, avoiding the typical clogging issues found with nanoparticle suspensions.

For this study, both copper and nickel inks were created for the purpose of inkjet printing, with reduction examined under a range of conditions. Both metal and alloy were then characterized using:

  • Thermal analysis
  • Infrared spectroscopy
  • Energy dispersive X-ray spectroscopy (EDS)
  • X-ray diffraction

“To achieve a homogeneous alloy formation, the copper phase and the nickel rich phase were diffused together at high temperatures,” stated the author. “Copper nickel alloy inks with ratios Cu30Ni70, Cu50Ni50, and Cu70Ni30 were formulated and reduced at 230 °C and later high-temperature diffusion was achieved at 800 °C.

“The lattice parameter of the alloy phase for the inks with ratio Cu30Ni70 was 3.5533Å, Cu50Ni50 was 3.5658 Å, and Cu70Ni30 was 3.5921 Å. Using Vegard’s law, the composition of the alloy phases for the three samples was estimated to be Cu32Ni68, Cu46Ni54, and Cu75Ni25. This formation of the desired alloy composition can open the door to numerous applications in the biomedical and electronics sectors, among others.

No segregations were seen for the samples that were sintered in vacuum and in the inert atmosphere; however, XRD analysis of the sintered alloy demonstrated both copper and bimetallic copper-nickel phases.

“To print a part with desired alloy composition, each layer can be printed and reduced over and over to build up a 3D structure. The final printed 3D part can be placed in a high-temperature furnace to achieve diffusion and form a homogenous alloy structure,” concluded the author.

“As the weight percentage of copper and nickel in the precursor inks presented were 6.5% and 4.5 % respectively, the number of printing and reducing steps increases to print a 3D part. The printing time can be reduced by increasing the drop volume of the ink or by increasing the solid content of the ink.”

3D printing has not only sparked innovation around the world, but also the study of materials—and especially inks—from direct ink writing to fiber ink, and even chocolate ink.

What do you think of this news? Let us know your thoughts! Join the discussion of this and other 3D printing topics at 3DPrintBoard.com.

Schematic illustration of printing a Ni precursor ink and sintering it in presence of homogeneous magnetic field to reduce the nickel complex to aligned nanowires. Reproduced from [23] licensed under CC by 4.0

[Source / Images: ‘Three Dimensional Digital Alloying with Reactive Metal Inks’]

The post Rochester Institute of Technology: Creating Reactive Metal Inks for 3D Printing appeared first on 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing.

Dezeen Day Recap

Dezeen Day

The first annual Dezeen Day conference, was definitely a sight to see and I will do my best to share my opinions on the day as a whole. I did not know what to expect going into the conference, but it seemed like it would be a fun time so I decided to go. It turned out to be an eye-opening and interesting experience.

Firstly I want it to be known that architects and designers think in such an interesting manner. I say this because you can see and hear the fascination they all have with life and building. They try to answer seemingly impossible questions. They design things through such innovative means. My brain was in pain throughout the day. It was not bad pain. It was the pain you get when learning something that is out of your comfort zone; it hurts now but you will feel amazing later. The way designers think allows them to have no fear of tackling large issues. The focus of this particular conference was on the Circular Economy and sustainability practices within design. In the design community, there is no one way to solve a problem. There are various ways to tackle an issue. Through the panel discussions and keynote speakers, we got a sense of how there are so many people working in different sectors of design to make this happen. I will reflect on a couple of major talks and discussion points from some of the panel conversations.

The first talk of the day was my favorite, and it had a lot of information packed within it. Paola Antonelli, the Senior Curator of the Department of Architecture & Design and the Director of R&D at MOMA, gave an interesting perspective to the audience. Her belief is that the understanding of humans and their likely extinction can lead to better resulting futures. What I deduced from this was that being aware of extinction leads us to be aware of the future generations and people we may be affecting. It is important for us to focus on future scenarios and think about how our actions can hurt others. This begs the question, “What can people do?”. The rest of the conference was aligned toward answering the question of what can people do to make effective change for the future within design. Paola also stated, “We want people to understand the complexity of the systems but not to be scared of them.” Designers are able to readily grasp design thinking and problem solving, but a variety of people outside the field may not be able to implore the same skills. This makes it important for design to help others outside of its community, and Dezeen Day also had a discussion on education reform. The conference was interwoven and facilitated elegantly. Each panel there was able to feed into one another.

Paola Antonelli at Dezeen Day

There was a lot of information packed within this talk so I did my best to summarize a lot of her ideologies and main points of discussion. The talk had a focus on waiting for making things. Within the design community, ideas are a dime a dozen, but which ones are effective? Typically the ones that well mapped out and executed over time. This ties into her discussion about extinction. We are planning towards building better infrastructures to help humanity over time, and this takes a lot of diligence. This reflected the rest of the day in terms of discussions and panel conversations.

Throughout the discussion, Paola was highlighting the various art she curated for her Broken Nature Exhibition and the significance of each piece. Something of interest to me was the scientific lens that most of the pieces were taking. It lead to other discussion panels throughout the day focused on science, design, and architecture.

A final large takeaway of the talk was that anger could be a source of change.

The only way to live well is to be for others or amongst others. Anger could be a better engine to try and improve things in the future.

This mindset is interesting as it shows the raw emotion needed to drive change. Anger is a great motivator for change because when we are lukewarm, complacent and not very engaged with our surroundings, we have no reason to improve.

The rest of the conference was conducted through the lens of the initial talk. The discussion panels held were the following:

  • Panel discussion: post-plastic materials
  • Panel discussion: future cities
  • Keynote: Liam Young
  • Conversation: Designing for the circular economy
  • Panel discussion: entrepreneurs
  • Panel discussion: fixing education
  • Keynote: Dr. Alexandra Daisy Ginsberg

Work by Arthur Mamou-Mani

The ideals and conversations at the conference were outlined thoroughly with this introductory talk with Paola. I personally resonated well with the Panel Discussion for Post-Plastic Materials. The conversation was oriented towards the various ways we as humans can be innovative in the materials we are using. I was able to talk to some people from the discussion panel after their talk such as Natsai Audrey Chieza. She is a designer and founder of Faber Futures, and they create biologically inspired materials. After hearing the talk and seeing the work that these individuals are doing it opened me up to a critical lens of understanding with societal material usage. It also inspired me to think big in ways that seemed unfathomable. This was the result of listening to Arthur Mamou-Mani. Arthur is an architect and director of Mamou-Mani Architects. He also specializes in digital fabrication and advanced bioplastics. I was in awe by the extremely large structures he creates with 3D printing and the use of wood. I will be following up on his work later as well.

I also met some other people who helped with the conference. This included Stacie Woolsey who is a design graduate who created her own master’s course. We were able to have a fun chat before her actual panel discussion. She definitely is a great inspiration for young people who want to rid of the typical educational model. I will be discussing this thought process a bit more later.

There were a couple of conversations had about 3D printing and biomaterials that I will be discussing more in-depth because they require some more research. For the overall conference though, it was a good time. The staff was excellent, and the overall programming was extremely engaging. There was no moment without engagement talk wise. I am a reporter who mostly focuses on 3D printing, but after the conference, my eyes have opened up significantly to the importance of design practices. It was awesome to see people who were combining architecture, bioengineering, and design to build interesting things.

The post Dezeen Day Recap appeared first on 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing.

SABIC’s EXTEM AMHH811F: Roboze Announces New Polyimide Filament

Roboze continues to have an emphasis on manufacturing 3D printers while placing a strong focus materials science too—allowing them to offer superior digital fabrication tools to industrial users around the world. With headquarters in Bari, Italy, Roboze was founded by CEO Alessio Lorusso and his team in 2013.

Known for their line of Roboze Argo Production 3D printing solutions, they have just announced the release of an amorphous thermoplastic polyimide filament: SABIC’s EXTEM AMHH811F, a transparent material developed for stability and heat resistance. EXTEM is an example of a class of PEEK/PAEK alternative materials that are polyimides and polyamide-imides. Tolon, PEI and Kapton are similar materials and many of these materials are referred to as PAI’s or PAI even though this should only refer to the polyamide-imide family.

Meant to accompany Roboze’s Argo 3D printing solutions, the new materials were created in collaboration with the Riyadh, Saudi Arabia-headquartered SABIC. The two companies have been working on an exclusive partnership for the research and marketing of EXTEM™ AMHH811F, meant to offer superior performance in parts for industrial users engaged in FFF 3D printing.

Having a partner like SABIC creates an important opportunity for our customers,” says Alessio Lorusso, Roboze CEO& Founder. “We share values like innovation and constant investment in research, development, new materials and technologies. EXTEM™ AMHH811F filament is a first demonstration of this and gives the chance to explore new horizons with the high performing amorphous polymer on FFF systems.”

“We’re proud of these great achievements and also of the growing trust we have received from SABIC. With Roboze ARGO Production 3D Printers and the new EXTEM™ AMHH811F filament, we can increase the opportunities for Metal Replacement. I’m definitely sure that all this will guarantee great advantages in terms of speed and productivity for the users.”

The material provides temperature resistance, with a heat deflection up to 230°C. Not only that, EXTEM AMHH811F has one of the highest glass transition temperatures of current polymer 3D printing materials, at 247°C. Typically EXTEM also has very high continuous service temperatures. The material is also inherently flame-retardant without the addition of additional nasty materials and has low off-gassing, high strength, high chemical resistance, and high creep resistance. This makes it a potentially very interesting material specifically for aerospace applications, especially if it were easier to print than PEEK (most probably) and has better performance and cost fit than PEI (would depend on the application). This is a material that in many applications could give PEEK and PEKK grades a run for their money or outperform them.

This filament also offers:

  • High performing ignition resistance
  • Mechanical strength at high temperatures
  • RoHS compliance

“To enable customers to print high quality parts for a range of demanding high heat applications, SABIC and Roboze have worked closely together to optimize print parameters and secure UL recognition for EXTEM™ parts printed on Roboze solutions,” said Keith Cox, SABIC’s senior business manager for Additive Manufacturing.

The new filament has also been awarded UL Blue Card recognition with V0-075 certification on samples printed by ROBOZE ARGO Production 3D printers with a thickness of 0.75 mm—placing EXTEM™ AMHH811F on the same certification level as injection molded parts of the same material at the same thickness.

Both Roboze and SABIC created EXTEM™ AMHH811F to offer high performance in the following industries:

  • Motorsports
  • Electronics
  • Medical
  • Aeronautics
  • Space

It’s been exciting to collaborate with Roboze to become the exclusive supplier of EXTEM™ AMHH811F filament for use on the ARGO platform. Our companies share the same enthusiasm to grow the AM market by making new high-performance materials available to customers whose applications require the performance that can only be delivered by EXTEM™ filament on the new ARGO 3D printer. We hope that this is the first of many such exclusive collaborations with Roboze,” continues Keith Cox.

If you are attending formnext 2019 in Frankfurt (from November 19-22), check out the first 3D printed parts fabricated with EXTEM™ filament, presented in a worldwide premiere at Roboze booth 121-C61.

From offering extreme 3D printing services to helping transportation companies become more productive, Roboze continues to be a dynamic force—with their CEO, Alessio Lorusso named as a ‘Forbes 30 under 30’ in 2018.

What do you think of this news? Let us know your thoughts! Join the discussion of this and other 3D printing topics at 3DPrintBoard.com.

[Source / Images: Roboze]

The post SABIC’s EXTEM AMHH811F: Roboze Announces New Polyimide Filament appeared first on 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing.

Your Copper Questions, Answered

A few weeks ago, we added a brand new material to our material portfolio: Copper. This was an exciting new addition for us, adding more depth to our line-up of metals. We’ve seen a lot of positive feedback from our community, as well as a lot of questions. So, here’s a quick FAQ that covers all the basics you need to know about Copper!

How big an object can I order in Copper?

The maximum bounding box is 89 x 89 x 100 mm

How accurate will the physical object be to my 3D model?

Geometry may vary between 3D models and printed parts by ±0.125mm in any dimension

How do you 3D print copper?

3D models are transformed into copper objects through lost wax casting. First, the 3D model is printed in a high resolution wax material.  Plaster is poured over the 3D printed wax which creates a mold when the wax melts out of the plaster.  The mold is then filled with molten copper and left to cool and solidify. Breaking the plaster mold reveals a solid copper part which is cleaned and polished to remove any sharp scraps leaving a natural buffed shiny finish.  Additional hand polishing is also available to give parts a mirror like shine.

What properties make copper unique? 

Copper has good thermal and electrical conductivity.  It heats quickly and evenly, making it good for applications in heat exchangers and it’s one of the most efficient metals in conducting electricity.  The surface of any copper object will begin to oxidize once it comes in contact with air or other chemicals. This oxidation will alter the surface appearance as a brown, green, and/or blue patina develops on the surface of the part. However, this oxidation will stop at the surface, creating a boundary layer which prevents corrosion from penetrating the surface of the part. The oxidation process cannot be prevented but it can be accelerated by exposing the part to various chemicals depending on the desired patina color.  Some people may not want to decorative items to oxidize, while others prefer the look of the patina.

Is this material infused with other metals?

No, this material is 100% copper.

Will a design that’s printable in copper, be printable in other Shapeways cast metals? 

Yes, Gold, Silver, Brass, Bronze, Platinum, Gold Plated Brass, and Rhodium Plated Brass all have the same design guidelines. Interlocking parts are the only exception which are currently only printable in Silver, Brass, and Bronze.

What finishes are available?

Copper is available in a Natural finish, as well as a Polished finish if you’re looking for a smoother, shinier surface.

Want to learn more? Head over to our materials page for all the details, or upload your model today and try printing in Copper for yourself!

The post Your Copper Questions, Answered appeared first on Shapeways Magazine.

INTERVIEW: ExOne launches high volume X1 160PRO metal 3D printer

Leading binder jet 3D printer manufacturer ExOne has launched the X1 160PRO. The largest machine from the company to date, the system has been developed for high volume, or large scale, production of end-use parts and castings. It is the product of more than two decades of expertise in the 3D printing industry from the […]