Ninjaflex 3DSF011175 SemiFlex 3D Printing Filament, 0.50 kg Spool, 1.75 mm Diameter, Midnight

The SemiFlex TPE filament is a 0.50 -kg spool of 1.75-mm diameter midnight-colored filament for use with fused-filament 3D printers (sold separately). SemiFlex filament is made of a thermoplastic elastomer (TPE) that creates strong, flexible printed parts with excellent abrasion resistance. The material bonds well to itself, minimizing the chance of printed layers separating when flexed or stretched. SemiFlex is slightly more rigid than the NinjaFlex original 3D filament. It is best used for projects requiring a high level of detail, intricate parts, high resolution text, unsupported vertical printing, shock-absorption or that require less flexibility than NinjaFlex original 3D Filament. The print temperature ranges from 210 to 225 degrees C (410 to 437 degrees F).

Product Features

  • Specially formulated Thermoplastic Elastomer (TPE)
  • Produces flexible prints with elastic properties
  • Used with fused deposition (FD) home 3D printers
  • Each spool contains 575 feet of stock

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Printrbot Assembled Printrbot Simple with HEATED BED and Aluminum Handle – Spool Rack 3D Printer

The Printrbot Simple with Heated Bed (Model 1403) fully assembled 3D fused-filament-fabrication printer has a black powder-coated all-metal construction with open platform for fabricating parts up to 6 x 6 x 6 inches (H x W x D) using 1.75-mm PLA/ABS thermoplastic filament (sold separately). The frame is made from steel and aluminum for durability, and it has a black powder-coated finish to protect against wear. The printer head moves on the Y (backward and forward) and Z (up and down) axes, while the print bed moves on the x (left to right) axis. The Mic 6 machined aluminum heated print bed is warp resistant and includes an auto-leveling probe that works with the user-chosen computer software to provide a level print surface. The hot end has a maximum resolution of 100 microns and includes a fan to help solidify the molten filament as it is extruded onto the print bed. The printer uses open source software and connects to the computer using the included mini-USB cable. Using an SD card (sold separately), the printer can be disconnected from the computer after initialization for untethered printing during long print jobs. The guide rails have a 12-mm diameter for stability and have linear bearings for smooth vertical movement of the print head. The GT2 belt and aluminum pulley system facilitates precise movement of the print head. The NEMA 17 stepper motor meets the National Electrical Manufacturers Association (NEMA) standard ICS 16-2001. The printer includes a sample spool of PLA (polylactic acid) filament.

Product Features

  • Heated print bed (max temp 80C)
  • Aluminum Handle and Spool Rack now included
  • Auto-leveling probe that works with the user-chosen computer software to provide a level print surface

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Graphene 3D Labs' Magnetic Material for 3D Printing

Graphene 3D Labs has announced a newly available 3D-printable PLA filament that’s magnetically conductive. It’s the latest offering in the company’s growing line of functional filaments. Graphene 3D Labs calls its new concoction Black Magic 3D.

Graphene 3D Labs broke into the 3D printing materials scene a few years back by offering graphene-enhanced 3D printing materials. Since that time, the company has been perfecting its conductive, graphene-impregnated filament and even introduced a new 3D-printed battery technology.

With its new release, Graphene 3D Labs is furthering its reach into the nascent field of 3D-printed electronics. According to the company, Black Magic 3D is best suited for the production of sensors, mechanical actuators and even motors.

“As this filament is ideally suited to switches, sensors and actuators, we also expect that this new functionality will challenge more traditional manufacturers to examine incorporating more 3D printing technology into their manufacturing processes,” said Elena Polyakova, co-CEO of Graphene 3D Labs.

One of the major benefits of Black Magic 3D is the company’s claim that the material won’t rust despite its composition. The Black Magic 3D filament is strongly attracted to magnets, especially when it’s near neodymium iron boron or samarium cobalt magnets.

Graphene 3D Labs’ Black Magic 3D filament comes in a 1.75-mm gauge and a 350-gram spool and currently costs $39.99 on Amazon. The magnetic material can be reliably printed between 215°C and 225°C at a printing speed of 60 to 80 mm per second.

New Jersey Hub for New 3D Technologies, Closer Than You Think

MONTCLAIR, NJ – If collaboration leads to innovation, that explains why Montclair is becoming a hub for 3D printing and new technologies.

The Montclair Board of Education with the support of Josh S. Weston and Picatinny Arsenal provided the School District with twenty-seven MakerBot Replicator® Desktop 3D Printers, the professional development to begin the implementation and the resources to establish a structure for ongoing teacher training.

Having these printers is great, but educators must learn how to use them in order to teach students. Following that reasoning, Picatinny Arsenal is funding a five-day training for representatives from Montclair’s 11 public schools who will receive CAD training at Central Office in Montclair, and 3D printing training at Picatinny Arsenal, starting February 9th and 10th.

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In addition, the United States government (Picatinny Arsenal) will finance the substitute teachers at the schools for the days these instructors will be in training. Weston, on the other hand, will provide the funding that covers the initial stages of the development of 3D printing curriculum, the coordination and logistics behind the 3D printing initiative, additional workshops for the cohort of 3D printing teachers, as well as 3D printing summer camp opportunities for Montclair students and staff.

Who is using the printers and why?

While 3D printing has been around for 30 years, used mainly for industrial applications, it has evolved to creating everything from candy, to weapon components. Still, much of the general public is unaware of what 3D printing is being used for. From organs to vehicles to clothing, 3D printing offers a wide range of potential across many industries.

Students benefit from having access to these printers because not only is the technology innovative but the resourcefulness required to come up with the objects, application, respective designs, and prospective end users, also requires an entrepreneurial mentality.

Who is collaborating?

It seems several concurrent initiatives are underway to create a STEM culture in the Montclair School District.

Lynn English, Director of the Weston Science Scholars Program and Dan Taylor, STEM Director for the Mount Hebron Middle School are spearheading the effort to create continuity and progression.

The newly available 3D printers will begin the journey from simple projects in elementary school, to learning CAD software in middle school, to more complex engineering projects in high-school. This continuity will provide relevant experience for anyone pursuing a STEM career in college. 

Taylor said, “Students require resourcefulness, problem solving, and structure. Just as we need a solid and coherent sentence structure to communicate verbally, to use 3D printing for fabricating ideas and expressing themselves, students need a rigorous mentality.”

In addition to the schools, the Montclair Public Library also houses a 3D printer and hosts many maker events.

Lisa Sedita, Youth Services Supervisor at Montclair Public Library (MPL) said, “I feel lucky to have such great cooperation with the school system from primary to high school.” Sedita shared her love of all things yarn and discussed how during the last event there were displays of finch robots alongside yarn spindles made out of dowels. She was excited about the application of 3D printing in the fashion industry.

Taylor says, “Exposing students to the concept at a young age and with the knowledge that there will be consistent opportunities throughout their academic career to explore and indulge in this technology is a significant step.”

Adjacent to the library, HackNCraftNJ has a Makerspace in the basement of 60 South Fullerton Avenue, Montclair.  Frank Gibbons and Jon Bonesteel are co-founders of the non-profit company that promotes technical advancement and innovation. Upon visiting the space we found Bonesteel creating gadgets on his printer. He showed us shelves of cool creations. One that stood out was the drone pictured above. 

HackNCraftNJ partnered with MPL and Big Picture, which is a nationwide mentoring program sponsored by the Bill and Melinda Gates foundation, offering an alternative for students who were not attending a regular class schedule. Montclair High School also participates with Big Picture. For part of the day students did internships based on a subject of interest.

One of the students, named Junior, who was interested in bioengineering, worked with HackNCraftNJ and E-Nable making a basic prosthetic hand.  HackNCraftNJ has also volunteered their time and expertise over the past few years in community events, including Mount Hebron’s annual Innovation Fair, several other local Maker events and the library’s annual Maker Day activities.

E-Nable is a global network of volunteers who work on making prosthetic hands and arms. Volunteers collaborate on 3D printable designs that are open source and can be accessed and improved by anyone. They match up people who have 3D printers with people in need of prosthetics.

Sedita has a friend named Connie, who lost her hand in a fireworks incident. Having seen the incredible creativity of the students, Sedita thought it would be wonderful to devise a prosthetic hand for her friend.

Gibbons said, “Connie has a unique interest in riding a motorcycle. In order to ride a motorcycle your hands need to control it. We are working with a local business to custom design a prosthetic hand for her.” Just to have a sense of how this can benefit the population at large, a prosthetic hand would normally cost tens of thousands of dollars whereas printing them would probably cost less than a hundred.

Gibbons said that young children in need of prosthetics grow out of them too rapidly, making the cost of changing prosthetics, as they grow, prohibitive. This technology makes all the difference. The collaboration is worldwide.

Many existing designs are open source and can be viewed on from where people can download the files and print them.

Sedita explained that the price of printing at the Montclair Public Library is 10 cents per gram. MPL uses a corn based PLA material that looks like licorice and as Sedita said, the machine spouting it out, is a bit like a glue gun. It extrudes thin layer upon layer until the object is fully built.

But Montclair is not a community that hoards their treasure.  Homeschooling parents are using the maker spaces at MPL and HackNCraftNJ to educate their students on 3D technology.  HackNCraftNJ goes from Caldwell, to Glen Ridge and beyond showcasing 3D printing. Many of these locations may already have a 3D printer but not necessarily as much information as they would like on how to use it.

Montclair State University has 35 printers but according to Sedita there are occasions in which students do not have ready access to those printers, and seek out Montclair Public Library for the use of their 3D printer. Following an obvious need, MPL has offered trainings and tutorials, much of which can be found on

MSU’s Feliciano School of Business building has recently opened a MakerBot Innovation Center that houses 35 3D printers. Their 3D printing venture has extended to other Montclair schools through the university’s gifted and talented program. This again showcases an effort to foster a STEM culture throughout the community.

While it does require a rigorous mentality, designing a 3D object is not as complex as it may seem. Logging in to allows users to design 3D objects and export the file to a printer or upload it to and share it with the world. However, if the designer isn’t quite ready or willing to share their design with the world they can register it at and assign rights from there. The website offers six licenses under which a design can be released.

Upcoming events

New Jersey Makers day is actually two days this year, March 18th and 19th. Montclair Public Library is partnering with HackNCraftNJ in providing maker activities to further promote the flourishing of the science technology engineering and math activities in Montclair.

What is missing?

We asked Taylor what he thought was missing. He said, “If there is a more serious effort between them and the support of the school district as well as the community and its stakeholders, there is a much better chance that this technology can come to the forefront of the experience and education of our students, strengthening their skillset along the way.”

He further explained,  “This type of structure would establish and develop a community that collaborates, produces, redesigns and shares its skills and creativity.  Since this technology is part of the future of manufacturing, it stands to think that having access to 3D printing on a regular basis may produce a culture of designers and makers who contribute to the economy of a larger whole.”

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The US Army Wants to Use 3D Printers to Customize Military Meals

MRE #23 - Chicken Breast filled with rib meat meal includes Chicken breast, pineapple pound cake, wheat snack bread, Tabasco sauce, sugar, Pretzels, peanut butter as well as a spoon, napkins and other non-food items.

MRE #23 – Chicken Breast filled with rib meat meal includes chicken breast, pineapple pound cake, wheat snack bread, Tabasco sauce, sugar, pretzels, peanut butter as well as a spoon, napkins and other non-food items.

The MRE, or Meal, Ready-to-Eat, is a field ration packaging in an individual, self-contained serving that was developed by the US military to provide nutritious meals to service members while in combat or in other situations where organized food preparation is not possible. While the MRE as the military currently knows it became standard issue back in 1986, the history of portable food for soldiers dates all the way back to the Revolutionary War. Those first military rations consisted primarily of beef, peas or rice, portioned out to soldiers daily. By the time the Civil War came around the military started issuing canned foods that were less perishable, eventually issued self-contained food kits. By World War I the military replaced canned meats with salted or dried meats to reduce weight and allow soldiers to carry more rations with them.

The obvious reasoning behind developing field rations is to maintain the health and strength of military personnel, but the US Army quickly learned that providing basic nutrition simply wasn’t enough. During World War II the military introduced multiple varieties of field rations tailored to the needs of soldiers in specific environments, like a jungle ration or a mountain ration. By the time the first MREs were issued there was a menu of twelve different meals available, which quickly expanded to over twenty four in use today, including vegetarian options. The military is constantly researching and expanding MRE options in order to make sure that they are providing soldiers with meals that will be completely consumed and are large enough to satisfy them completely.

Current food 3D printing technology.

Current food 3D printing technology.

So what exactly can the military expect the future MRE to look like? If researchers from the Army’s Soldier Research, Development, and Engineering Center (NSRDEC) in Natick, Massachusetts have anything to say about it they will be 3D printed meals that have been customized for each soldier. NSRDEC researchers are in the early development stage of new MRE concepts that could change the way the military eats meals. By combining wearable technology capable of measuring a soldier’s individual physiology with food 3D printers, future MREs will be automatically generated meals that have been tailored for the specific nutritional needs of each soldier. While the new MRE is still a few years out, the technology could be ready for deployment as early as 2025.

Hyrel 3D printer can be converted to print with almost anything, including paste and food materials.

Hyrel 3D printer can be converted to print with almost anything, including paste and food materials.

It is expected that within the next decade every soldier will be outfitted with wearable devices that monitor and measure their physiology, as well as their nutritional needs. The collected data will be recorded and at designated times transferred back to base camp or to a quickly set up field kitchen outfitted with several food 3D printers. Software would examine the collected data and determine if the soldier is in need of any specific vitamins or nutrients and include them in the meal that will be 3D printed specifically for them. Meals could take any form available based on the pre-existing ingredients that are available and the nutritional values can be altered automatically.

If a soldier has been awake for an extended period of time then the meal could include some additional caffeine, or foods that promote awareness and would help fight fatigue. If the soldier is low on protein then the meal could add extra nutrients to help supplement the loss. With a food 3D printer the limits on what form the foods can take are virtually non-existent. Entire meals could be 3D printed as full meals, portable chocolate protein bars or even as liquid meals that can be consumed quickly and taken into the field. Because a tall, muscular soldier may need more food than a short or thin soldier, the 3D printer would also determine exactly how much food the soldier needs to maintain optimal health and performance. It could even be programmed to 3D print their meal as a pizza.

3D printed pizza is possible using today’s technology.

3D printed pizza is possible using today’s technology.

Current food 3D printing technology is still a ways off from being adapted for use by the military, as the types of food textures and ingredients available are still limited. Today food products like a peanut butter filled protein bar covered in chocolate can be 3D printed in about a half an hour, however the technology is still extremely new and it will become quicker. If there is anything that can be said about the 3D printing industry definitively, it’s that the development of the technology moves extremely fast. Eventually an entire meal could be 3D printed in a matter of minutes, and hopefully for our soldiers it will be worth the wait.

Functionalize F-Electric® 2.85mm – Highly Conductive 3D Printing PLA Filament – 0.5 lbs (226.8 g)

1/2 lb (226.8 g) of Functionalize F-Electric filament 2.85mm in diameter (+/- 0.05mm). Measuring at 0.75 ohm•cm in volume resistivity, F-Electric is a PLA-based filament that includes a carbon nanotube composite material. F-Electric makes it easy for you to 3D print circuits, buttons, sensors, power connectors, and other electrical components as part of products printed from your 3D printer. All filament material will be sealed with desiccant in a plastic bag.

Product Features

  • 0.75 ohm•cm
  • PLA-based filament
  • Works on 3D printers that can use PLA filament

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