[Extra Post] Will 3D printing change the world?

 The popularization of 3D printing will bring many changes to the world. But the change is not categorically positive or negative. 

Thanks to 3D printing, positive changes can be made as follows. First, self-sufficiency could be possible. When 3D printers become popular, individuals can make their own products such as clothes and food ingredients. Even if you have a digital design, you can make a house, too.

Next, it can protect the environment. Overproduction is the main cause that has polluted the environment because the oversupplies create a huge amount of trash. 3D printers can be produced in small quantities only as much as individuals need, which can stop environmental pollution.

On the other hand, the disadvantage of 3D printers is that they can produce personal weapons. Up to now, it is not easy for individuals to purchase weapons because they need to be legally approved through various certification procedures, but when 3D printers become popular, individuals can make weapons very easily and simply at home. That would eliminate ‘Gun safety zones’ like Korea.

Also, jobs will be lost. The group most affected by 3D Printers is the labor-intensive jobs. The workers who do simple, repetitive jobs will all be replaced by 3D printers, losing their jobs, and thus the polarization of society polarization will increase. 

Considering the above advantages and disadvantages, appropriate regulations and standards should be established before the popularization of 3D printers.

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