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new shrinking 3d printer
by：Tuowei
2019-08-18
A new method of 3D printing-shrink 3D printing, will make it easy to 3D print small objects.
The idea behind shrinking a 3D printer is to print an object and then narrow it down to the desired size-a technology called explosive manufacturing.
The most amazing part of this 3D printer is that it can adapt to the work of different materials such as metals, quantum dots and even DNA.
In addition, complex shapes such as micro-link chains can be printed.
The incredible work was published in the latest issue of The Journal of Science.
You may be familiar with the classic 3D printer made with additives.
This is a place where the structure is usually built layer by layer, and when you layer by layer, the material is added.
But this approach is not ideal for structures that cannot be built from the bottom up.
Instead, you can use a technology in which you can build the media of the structure internally.
For the team described here, the laser is used to build centimeters-
A size structure in a medium made of acrylic-a substance found in diapers that is very good at absorbing.
Polypropylene as a scaffold for supporting structures.
The laser actually sets a position for nano-materials and nano-particles to be deposited into the scaffold material.
When acid is added to the mixture, the support material of the supporting structure shrinks, causing the structure to shrink accordingly.
Therefore, the structure originally built is now about cm in size.
About dozens of nanometers.
This contraction technique was developed by Ed Boyden of the Massachusetts Institute of Technology (MIT)
He just wanted to reverse the process of brain tissue expansion to see its finer structure.
In multiple tests, the team found that they could reduce a structure by about 8000 times.
To demonstrate how the technology works, the team etched a structure of Alice in Wonderland, which shrank from about 1 mm³ to 50 nanometers, as shown in the figure below.
They have also tried other objects that are almost impossible to do with common additives, such as hollow link cubes.
Looking ahead, the team believes that the reduced 3D printer can be used to make small high resolution optical lenses for driving cars.
But there is a wide range of applications in this process, because the \"ink\" of the printer can also be DNA or metal.
The possibilities are endless.
The idea behind shrinking a 3D printer is to print an object and then narrow it down to the desired size-a technology called explosive manufacturing.
The most amazing part of this 3D printer is that it can adapt to the work of different materials such as metals, quantum dots and even DNA.
In addition, complex shapes such as micro-link chains can be printed.
The incredible work was published in the latest issue of The Journal of Science.
You may be familiar with the classic 3D printer made with additives.
This is a place where the structure is usually built layer by layer, and when you layer by layer, the material is added.
But this approach is not ideal for structures that cannot be built from the bottom up.
Instead, you can use a technology in which you can build the media of the structure internally.
For the team described here, the laser is used to build centimeters-
A size structure in a medium made of acrylic-a substance found in diapers that is very good at absorbing.
Polypropylene as a scaffold for supporting structures.
The laser actually sets a position for nano-materials and nano-particles to be deposited into the scaffold material.
When acid is added to the mixture, the support material of the supporting structure shrinks, causing the structure to shrink accordingly.
Therefore, the structure originally built is now about cm in size.
About dozens of nanometers.
This contraction technique was developed by Ed Boyden of the Massachusetts Institute of Technology (MIT)
He just wanted to reverse the process of brain tissue expansion to see its finer structure.
In multiple tests, the team found that they could reduce a structure by about 8000 times.
To demonstrate how the technology works, the team etched a structure of Alice in Wonderland, which shrank from about 1 mm³ to 50 nanometers, as shown in the figure below.
They have also tried other objects that are almost impossible to do with common additives, such as hollow link cubes.
Looking ahead, the team believes that the reduced 3D printer can be used to make small high resolution optical lenses for driving cars.
But there is a wide range of applications in this process, because the \"ink\" of the printer can also be DNA or metal.
The possibilities are endless.
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