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A easy method to flip 2D drawings into 3D objects

Demonstration of an ‘unattainable bottle’ building. Drawing on skinny and versatile movie allows on web site reconfiguration of a 3D structure inside a slender area that might be inaccessible to standard 3D pr inters. Credit score: Track et al., Sci. Adv. 2021; 7: eabf3804

A group of researchers affiliated with a number of establishments in South Korea has developed a easy technique for changing 2D drawings to 3D objects. Of their paper revealed within the journal Science Advances, the group describes their approach and attainable makes use of for it.

Over the previous a number of a long time, 3D printing has develop into a preferred method to create three-dimensional objects in a comparatively easy method. Such printing permits for on-demand provide of straightforward merchandise. On this new effort, the researchers have developed one other method to create 3D objects with out the necessity for a printer.

The approach entails hand-drawing (or conventionally printing) a 2D picture on an object utilizing a particular pen with particular ink after which submerging the item in a bath of water. When the item is pulled from the water, the ink has been partly faraway from the item and has shaped right into a 3D illustration of the unique picture.

The ink utilized by the group consists of two inks. One is a surfactant compound, which isn’t adhesive. The opposite is just not a surfactant, and adheres very nicely to a fabric. The pen has buttons to regulate which ink is expelled when drawing. For instance how the thought works, the researchers drew pink petals on a rock after which tied them along with a black anchor within the heart between them. The pink surfactant turned disassociated from the rock when positioned in water, whereas the black ink saved the flower rooted to its base. The outcome was a black core caught to the rock with 3D petals extending into the air.

A two dimensional image drawn with a pen on a stone is reworked into a 3 dimensional construction. Credit score: Track et al., Sci. Adv. 2021; 7: eabf3804

As soon as the researchers examined their primary concept, they realized the ensuing 3D shapes wouldn’t maintain up when the item was faraway from the water. To beat this downside, they added iron microparticles to each inks and potassium persulfate to the water resolution. When the item was dipped into the water, the response strengthened the 3D object.

  • A simple way to make 2D drawings become 3D objects
    Precept schematic of pen based mostly 4D printing. Credit score: Track et al., Sci. Adv. 2021; 7: eabf3804
  • A simple way to make 2D drawings become 3D objects
    Sequential transformations at totally different water stage heights in contrast with simulated transformation outcomes. 2D drawing is reworked into 3D construction in respon se to the answer hei ght and the 3D construction is fastened by floor polymer coating. Credit score: Track et al., Sci. Adv. 2021; 7: eabf3804
  • A simple way to make 2D drawings become 3D objects
    A pen based mostly strategy permits the free model fabrication of 3D constructions on varied substrates even curved or pure surfaces akin to stone and leaf. Credit score: Track et al., Sci. Adv. 2021; 7: eabf3804

The researchers declare their approach might be modified to permit to be used in manufacturing functions. They observe that merchandise might be 2D printed and shipped to shoppers or prospects, the place they’d take kind when dunked within the correct resolution.


A 3-D printer that may print information units as bodily objects


Extra info:
Search engine optimization Woo Track et al. Direct 2D-to-3D transformation of pen drawings, Science Advances (2021). DOI: 10.1126/sciadv.abf3804

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