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3D printing of police whistles for STEM education

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Abstract

In this paper, 3D printing of police whistles and its sound frequency researches are presented as a science, technology, engineering and mathematics (STEM) education for high school students. We consider the 3D printing education is comprehensively suitable for STEM education. As an example for STEM education using 3D printer, we design police whistle using CAD and print it out by 3D printer. We rescale its length of mouthpiece, width and radius of body to examine frequency. We find that the frequency is proportional to the radius of the whistles. Also, we rescale sizes of the whistles and make musical scales and play music. From this activity, we conclude the study using 3D printer is useful for STEM education.

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Acknowledgements

This study was partly supported by the Grantin-Aid for Young Scientists (B) (25800238) from the Japan Society for the Promotion of Science (JSPS), the Innovative Innovation Generation Program (Center of Innovation, COI-T) from the JST and the Ministry of Education, Culture, Sports, Science and Technology (MEXT) in Japan, the Regional Open Innovation Promotion Project from the Ministry of Economy in Japan, and the Strategic Innovation Creation Project (SIP) from the New Energy and Industrial Technology Development Organization (NEDO) of Japan.

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Authors and Affiliations

  1. Department of Mechanical Systems Engineering, Yamagata University, 4-3-16, Jonan, Yonezawa, Yamagata, 992-8510, Japan

    Masato Makino, Kyuichiro Takamatsu, Atsuki Shiratori, Azusa Saito, Kazuyuki Sakai & Hidemitsu Furukawa

  2. Life-3D Printing Innovation Center (LPIC), Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata, 992-8510, Japan

    Masato Makino, Kyuichiro Takamatsu, Azusa Saito, Kazuyuki Sakai & Hidemitsu Furukawa

  3. Yamagata Prefectural Yonezawa Kojokan High School, 1101 Sasano, Ooaza, Yonezawa, Yamagata, 992-1443, Japan

    Kodai Suzuki

Authors
  1. Masato Makino
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  2. Kodai Suzuki
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  3. Kyuichiro Takamatsu
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  4. Atsuki Shiratori
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  5. Azusa Saito
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  6. Kazuyuki Sakai
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  7. Hidemitsu Furukawa
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Corresponding author

Correspondence to Masato Makino.

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Makino, M., Suzuki, K., Takamatsu, K. et al. 3D printing of police whistles for STEM education. Microsyst Technol 24, 745–748 (2018). https://doi.org/10.1007/s00542-017-3393-x

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  • DOI: https://doi.org/10.1007/s00542-017-3393-x

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