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

Demonstration of an ‘inconceivable bottle’ development. Drawing on skinny and versatile movie permits on web site reconfiguration of a 3D structure inside a slender house that will be inaccessible to standard 3D pr inters. Credit score: Tune et al., Sci. Adv. 2021; 7: eabf3804

A workforce 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 printed within the journal Science Advances, the group describes their method and potential makes use of for it.

Over the previous a number of many years, 3D printing has turn out to be a well-liked solution to create three-dimensional objects in a comparatively easy method. Such printing permits for on-demand provide of easy merchandise. On this new effort, the researchers have developed one other solution to create 3D objects with out the necessity for a printer.

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

The ink utilized by the workforce consists of two inks. One is a surfactant compound, which isn’t adhesive. The opposite shouldn’t be a surfactant, and adheres very effectively to a fabric. The pen has buttons to manage which ink is expelled when drawing. As an instance how the thought works, the researchers drew crimson petals on a rock after which tied them along with a black anchor within the middle between them. The crimson surfactant turned disassociated from the rock when positioned in water, whereas the black ink stored the flower rooted to its base. The consequence 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 remodeled into a 3 dimensional construction. Credit score: Tune 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 thing was faraway from the water. To beat this drawback, they added iron microparticles to each inks and potassium persulfate to the water answer. When the thing 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: Tune et al., Sci. Adv. 2021; 7: eabf3804
  • A simple way to make 2D drawings become 3D objects
    Sequential transformations at completely different water degree heights in contrast with simulated transformation outcomes. 2D drawing is remodeled into 3D construction in respon se to the answer hei ght and the 3D construction is mounted by floor polymer coating. Credit score: Tune et al., Sci. Adv. 2021; 7: eabf3804
  • A simple way to make 2D drawings become 3D objects
    A pen based mostly method permits the free model fabrication of 3D buildings on numerous substrates even curved or pure surfaces reminiscent of stone and leaf. Credit score: Tune et al., Sci. Adv. 2021; 7: eabf3804

The researchers declare their method might be modified to permit to be used in manufacturing functions. They be aware that merchandise might be 2D printed and shipped to purchasers or prospects, the place they might take type when dunked within the correct answer.


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


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

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