3D Printing and CNC Router Workshop Enhances Chemistry Teachers’ Creativity

Semarang , June 11 2025 - Innovation in chemistry education continues to evolve in the digital era. A total of 20 chemistry teachers from the Chemistry Teachers’ Association (MGMP) of Demak Regency participated in a workshop on developing learning media based on 3D Printing and CNC Router technology. The workshop was organized by the Chemistry Department of the Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Semarang (UNNES), and held at the Fabrication Laboratory (FabLab).

Carrying the theme “Innovative Chemistry Learning Media through 3D Printing and CNC Router Technology,” the workshop aimed to equip teachers with the skills to design and produce three-dimensional learning media. This technology is expected to help bridge the gap between abstract chemical concepts, making them easier for students to understand.

The one-day workshop covered both fundamental concepts and hands-on practice. Participants gained comprehensive insights into the application of 3D technology in teaching and learning processes, from design to the production of instructional media.

The workshop was led by Cepi Kurniawan, Ph.D., and the Chemistry Department team of FMIPA UNNES, using 3D printers and CNC routers provided through a grant from the Ministry of Education of South Korea under the LUPIC (Leading University Project for International Cooperation) program. The training materials included an introduction to 3D printing technology, the use of design software such as Tinkercad and Fusion 360, and practical sessions on creating educational tools, including molecular structure models, atomic models, and chemistry-based puzzle media.

According to Cepi Kurniawan, 3D-based learning media can serve as an effective bridge in understanding complex chemistry concepts. “With more concrete visualization, students can better grasp structures and processes that were previously abstract,” he explained.

Following the presentation sessions, participants were guided by the team and student assistants in hands-on activities. The teachers showed great enthusiasm in designing simple models and producing them using 3D printers and CNC routers.

One of the participants, Matmin, S.Si. from SMA Negeri 1 Dempet, expressed his appreciation for the workshop. “This training has broadened my perspective. I feel more confident in creating teaching aids that suit the needs of my students,” he said.

Through this activity, it is expected that teachers will be able to implement 3D printing technology in chemistry learning at schools, making the learning process more innovative, interactive, and meaningful.

Participants listening to a 3D printing introduction

Participants during a guided programming session

Hands-on practice creating molecular models with a 3D printer

 Observing the 3D printing process of molecular structures

Practicing CNC router operation with guidance

Token of appreciation presented to the Dean of FMIPA UNNES