Skip to main content

3D printing brings low cost energy solutions to developing countries

The idea of leveraging renewable energy sources to bring electricity to the developing world is a potential solution to a serious global problem. Companies are using 3D printing to shape and test innovative concepts and designs that can make a difference in the lives of millions of people.


Solar In a Suitcase: The Making of the FORTY2

This video on South Dakota start-up Peppermint Energy illustrates  the company’s flagship product, the FORTY2, a portable solar generator that draws enough energy from the sun to provide light, refrigerate medicine or food, or power a laptop. A battery connected to the array stores power for use when the sun is down. Its simple format and rugged casing can ease disaster relief and elevate the quality of life where electricity is scarce. The energy it delivers is clean, reliable and free.
3D printed solar generator, peppermint energy, FORTY2
The FORTY2 brings reliable electricity to developing areas
Behind the scenes, the story of how the FORTY2 was transformed from a spark of an idea into a desert-durable product with global distribution is inspiring. Peppermint’s president, Chris Maxwell  said, “The theme that kept occurring to us was: How do we get energy to everyone, everywhere?” The challenge was to create a functional prototype, within budget (money and time) for real world design testing.

Without a moment to spare, the team at Peppermint Energy turned to FDM 3D printing technology from Stratasys for development of the FORTY2. This step  enabled the Peppermint team not only to produce complex models for design verification, but also test functionality with the same durable ABS plastic used in today’s end product.

At three feet wide and roughly 60 pounds, the FORTY2 required a robust housing strong and large enough to hold all of its components. The first full-scale, working prototypes produced on a Fortus 3D Production System were so realistic that they enabled the Peppermint Team to identify and correct design issues, leading to a better product. For example, hand carrying the first prototype proved problematic so the Peppermint team decided to make the FORTY2 smaller, while ensuring that the solar panels were still able to generate the required power.  Also one of the 3D printed prototypes revealed an unnecessary  power switch on the outside of the case, leading to a simplified on/off design – the FORTY2 now turns on automatically when the unit is opened.

As a result of using Stratasys 3D printing for prototype design evaluation and validation, the company reduced time and significant savings of up to $250,000 in tooling costs compared with traditional mold-based techniques.

Peppermint Energy is a thriving startup business, growing and creating jobs based on the idea that clever, green innovation can improve lives and sustain profit margins. In response to the devastating Haiti earthquake in 2010, the FORTY2 was developed to bring emergency power to the area; as shown in the video, it is also being used in the rebuilding efforts. We dare you to watch the Peppermint story and not get the warm feeling that bright ideas are coming together to make the world a better place.

To download the full case study, click here.

Sometimes a new path becomes clear when you see the pitfalls of the old one. Brian Gramm was researching large-scale renewable energy, such as wind farms, when a totally new approach dawned on him. Rather than trying to make green energy look like the old, big-plant electrical grid, why not generate power right where it’s used, and let consumers have their own miniature power plants that can go anywhere?
“There are situations where large-scale solar is right, like office buildings. But the things that most of us use daily, most often, really don’t require much power,” said Gramm. He co-founded Peppermint Energy, a South Dakota company that makes a portable, plug-and-play solar generator called the FORTY2. Like a solar plant in a suitcase, the FORTY2 draws enough juice from the sun to power lights, laptops — even a dorm fridge. A battery stashes power and delivers it after sundown.

Inspiration to Distribution

Peppermint Energy Solar Generator in a Field The FORTY2 changed a lot between idea and delivery. At first, Gramm thought the device would resonate most with U.S. consumers — tailgaters and campers seeking off-the-grid recreation. But experts were most excited about what the FORTY2 could do in the developing world, where three billion people live without reliable electricity. If Peppermint’s device could power lights for working and learning after sunset, equipment for disaster relief, and refrigerators for penicillin, it could change lives.
Think of it: Lifesaving medicine could reach places it couldn’t go before. The device could also spark commerce in remote areas as entrepreneurs find ways to monetize free reliable power.
To do the most good, Gramm realized the FORTY2 had to be robust. In a portable size, providing the spikes of intense power that refrigeration demands was a big engineering challenge. Gramm set about assembling the talent, resources and relationships to put his vision to work. “Honestly all I had at this point was a bit of an idea, and a picture,” he said.
Once engineers had honed the device as far as possible in CAD, Peppermint needed a physical prototype. “It was hard for anybody, including me, to truly appreciate size and scale when you’re looking at it onscreen,” Gramm said. At three feet wide and likely to weigh 60 pounds, the FORTY2 required a seriously robust housing, complex and strong enough to hold all of its components. Fused Deposition Modeling™ (FDM®) was the only 3D printing method that could deliver.
The first full-scale prototype, built in a Fortus® 3D Production System, revealed some of the design considerations that led to the FORTY2’s delightfully simple operation. “It’s only when you see it in physical form that you realize the form and function should be the same,” Gramm said. For example, a power switch is unnecessary; just opening the FORTY2 turns it on. The Peppermint team also decided to make the whole device even smaller than intended after carrying the first prototype proved awkward. Gramm said if he had to do it all again, he’d use 3D printing even earlier in the process.

Modeling Relationships

A 3D printed prototype made of strong ABS plastic Surprisingly, the prototypes helped build another essential element to success: relationships. “Ever try to ask a vendor ‘Make me a custom thing that works in concert with a bunch of other stuff that I can’t show you’?” said Peppermint president Chris Maxwell. Full-size prototypes facilitated discussions with manufacturers and component vendors. Best of all, Maxwell said once the product was tangible, potential investors felt they were buying into a business, not just an idea. Some even took the prototype home for a weekend.
In a second iteration, the team discovered a 1/4-inch flaw in the FORTY2’s design, which Gramm said would have been overlooked in CAD. Additionally, the powerful battery required for refrigeration made it necessary to scale back other components. “We were able to make changes that I would estimate saved us at least a quarter of a million dollars in tooling,” said Gramm. Because of the two FDM prototypes, the team committed to production with confidence rather than hope.
- See more at: http://www.stratasys.com/resources/case-studies/consumer-goods/peppermint-energy#sthash.u3x8jih5.dpuf
Sometimes a new path becomes clear when you see the pitfalls of the old one. Brian Gramm was researching large-scale renewable energy, such as wind farms, when a totally new approach dawned on him. Rather than trying to make green energy look like the old, big-plant electrical grid, why not generate power right where it’s used, and let consumers have their own miniature power plants that can go anywhere?
“There are situations where large-scale solar is right, like office buildings. But the things that most of us use daily, most often, really don’t require much power,” said Gramm. He co-founded Peppermint Energy, a South Dakota company that makes a portable, plug-and-play solar generator called the FORTY2. Like a solar plant in a suitcase, the FORTY2 draws enough juice from the sun to power lights, laptops — even a dorm fridge. A battery stashes power and delivers it after sundown.

Inspiration to Distribution

Peppermint Energy Solar Generator in a Field The FORTY2 changed a lot between idea and delivery. At first, Gramm thought the device would resonate most with U.S. consumers — tailgaters and campers seeking off-the-grid recreation. But experts were most excited about what the FORTY2 could do in the developing world, where three billion people live without reliable electricity. If Peppermint’s device could power lights for working and learning after sunset, equipment for disaster relief, and refrigerators for penicillin, it could change lives.
Think of it: Lifesaving medicine could reach places it couldn’t go before. The device could also spark commerce in remote areas as entrepreneurs find ways to monetize free reliable power.
To do the most good, Gramm realized the FORTY2 had to be robust. In a portable size, providing the spikes of intense power that refrigeration demands was a big engineering challenge. Gramm set about assembling the talent, resources and relationships to put his vision to work. “Honestly all I had at this point was a bit of an idea, and a picture,” he said.
Once engineers had honed the device as far as possible in CAD, Peppermint needed a physical prototype. “It was hard for anybody, including me, to truly appreciate size and scale when you’re looking at it onscreen,” Gramm said. At three feet wide and likely to weigh 60 pounds, the FORTY2 required a seriously robust housing, complex and strong enough to hold all of its components. Fused Deposition Modeling™ (FDM®) was the only 3D printing method that could deliver.
The first full-scale prototype, built in a Fortus® 3D Production System, revealed some of the design considerations that led to the FORTY2’s delightfully simple operation. “It’s only when you see it in physical form that you realize the form and function should be the same,” Gramm said. For example, a power switch is unnecessary; just opening the FORTY2 turns it on. The Peppermint team also decided to make the whole device even smaller than intended after carrying the first prototype proved awkward. Gramm said if he had to do it all again, he’d use 3D printing even earlier in the process.

Modeling Relationships

A 3D printed prototype made of strong ABS plastic Surprisingly, the prototypes helped build another essential element to success: relationships. “Ever try to ask a vendor ‘Make me a custom thing that works in concert with a bunch of other stuff that I can’t show you’?” said Peppermint president Chris Maxwell. Full-size prototypes facilitated discussions with manufacturers and component vendors. Best of all, Maxwell said once the product was tangible, potential investors felt they were buying into a business, not just an idea. Some even took the prototype home for a weekend.
In a second iteration, the team discovered a 1/4-inch flaw in the FORTY2’s design, which Gramm said would have been overlooked in CAD. Additionally, the powerful battery required for refrigeration made it necessary to scale back other components. “We were able to make changes that I would estimate saved us at least a quarter of a million dollars in tooling,” said Gramm. Because of the two FDM prototypes, the team committed to production with confidence rather than hope.
- See more at: http://www.stratasys.com/resources/case-studies/consumer-goods/peppermint-energy#sthash.u3x8jih5.dpuf

Popular posts from this blog

Delivering High Quantities of Prototypes Fast

Objective3D Direct Manufacturing produces parts using a range of additive and conventional manufacturing technologies. We offer tailored solutions for your project’s needs. If your project requires larger quantities of small parts – fast, Laser Sintering is the best technological solution for you. Per-part pricing is reduced as quantities increase, but there are more advantages to using Laser Sintering for small prototypes than price alone. Laser Sintering (LS) provides strong, versatile and geometrically intricate components made from filled and un-filled nylon materials that are ideal for fit and form verification and functional testing. Prototypes made with LS are created quickly and offer robust solutions for your project. FAST Delivery Laser Sintering can provide sturdy, functional prototypes as little as 24 hours. Multi-component designs can be incorporated into single structures, allowing engineers to produce complex features and geometries in one print, and elim...

How Artec Space Spider helps measure the shape-shifting of birds in response to climate change.

Challenge:  In the past century, researchers have been studying a variety of birds in Australia to see how their bodies have changed as a result of global warming in order to determine how to adjust. In order to document the exact dimensions of thousands of beaks of 86 different species of birds in museums in a fast, accurate, and convenient manner, they needed a fast, accurate, and convenient method. Solution: Artec Space Spider, Artec Studio Results: By using the handheld 3D scanner Artec Space Spider, each bird can be scanned in submillimeter colour 3D in approximately two minutes. This makes it easy to scan anywhere from 30-50 birds in one museum visit. Scan processing takes just under six minutes for each bird. PhD candidate Sara Ryding 3D scanning an Australian galah (Eolophus roseicapilla) with Artec Space Spider (image credit: Sara Ryding) One of the most startling impacts of global warming has taken place for decades now: multiple species of birds around the world have b...

3D scanning and reverse engineering streamline original furniture design and production

MU Form Furniture Design is an Oakland-based company that designs, manufactures and distributes furniture products for the modern home and business. The company is never short of orders since good and original design is sought after by architects and interior designers. The main material MU Form works with is high-quality bent ply, which is one of the most widely used materials in this industry due to its ability to create a variety of shapes for chairs, stools, and tables. The company’s specialists seek to create great designs that pose a challenge for other manufacturers to copy or replicate. The V Dining Chair in red and grey, designed by MU Form’s Po Shun Leong. “Our designers are tasked to develop furniture designs that require a significant amount of trial and error by developing physical prototypes of chairs and stools,” says Mark Leong, CEO of MU Form. To produce a new original piece of furniture, MU Form would normally ship a physical prototype model to a factory ...