3D Printer can be used to aid visually impaired students in their educational endeavors

(a) a diagram showing FDM 3D printing equipment, (b) a shape of 3D tactile structure (an apple) made by the printing technology and an image of tactile patterns of an apple in the standard braille.

<Figure 1>(a) a diagram showing FDM 3D printing equipment, (b) a shape of 3D tactile structure (an apple) made by the printing technology and an image of tactile patterns of an apple in the standard braille.

New technology has been developed to make tactile objects with ease thanks to the convergence technology of 3D printing and 3D thermal reflow treatment

Braille is a tactile writing system, which is commonly used by the visually impaired and partially sighted. With the recent development of braille printers, written materials in braille has greatly helped the visually impaired and partially sighted individuals but, this is not to say that there are still many remaining problems such as books that are immobile due to their size and volume as well as durability. Moreover, there are other problems such as not enough books, materials, works, and data for such individuals.

New technology has been developed to make tactile objects with ease thanks to the convergence technology of 3D printing and 3D thermal reflow treatment, which can be denoted as the revolution in manufacturing technology. Using the technology, not only braille books, but also braille picture books and teaching materials can be made with greater flexibility in color, height and size. It is also harmless to human body since it does not require UV coating or harmful chemical treatment.

The research team led by Dr Myoung-Woon Moon at the Korea Institute of Science and Technology developed a new method by converging 3D printing and 3D surface thermal reflow treatment techniques to produce touchable objects with detailed lines and curves.

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