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The article describes how 3-D printing is making a big impact. The writer uses examples to explain two main ideas: what 3-D printing can do and why it's better than traditional ways of making things, and how it can make a big difference in our lives.
The first main idea is that 3-D printing is very adaptable. The writer talks about a school in Malawi that was built in just 15 hours using 3-D printing. They also mention a community of 50 homes in Mexico that will be made using this technology. These examples show that 3-D printing can help solve big problems like education and housing. The article also mentions that 3-D printers are producing everything from human body parts to an Interplanetary habitat simulation all around the world. This demonstrates the wide range of products that 3-D printing can produce.
The second key point is that 3-D printing is more effective to conventional manufacturing techniques. The writer says that 3-D printing can make things as needed, which reduces waste. They give the example of NASA using 3-D printing to make spare parts for the International Space Station. This would save a lot of money. The article also says that 3-D printing uses just the right amount of material, which reduces waste. It can also make complex shapes, like custom implant limbs and maybe even human organs.
The writer uses quotes from experts to support these ideas. John Hart, a 3-D printing expert, says that 3-D printing is "transformative" because it can make valuable things digitally. This quote shows that 3-D printing is a game-changer.
In conclusion, the writer uses examples to show that 3-D printing is adaptable and better than traditional ways of making things. The article makes a strong case for why 3-D printing is important and will continue to make a big impact. As John Hart says, 3-D printing will "touch a lot of products" and change the way we make things.
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