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All Journal Sinkron : Jurnal dan Penelitian Teknik Informatika Vidyottama Sanatana: International Journal of Hindu Science and Religious Studies Jurnal Ilmiah Didaktika : Media Ilmiah Pendidikan dan Pengajaran Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Ilmiah POTENSIA Golden Age: Jurnal Ilmiah Tumbuh Kembang Anak Usia Dini Jurnal Teknologi Informasi dan Pendidikan MIMBAR : Jurnal Penelitian Sosial Dan Politik Jurnal Ilmiah ASET JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Metta : Jurnal Ilmu Multidisiplin Jurnal Pengabdian Masyarakat IPTEK JELAJAH: Journal of Tourism and Hospitality Jurnal Sistem Informasi Triguna Dharma (JURSI TGD) Jurnal Akuntansi Keuangan dan Bisnis INSANI Sevanam: Jurnal Pengabdian Masyarakat Japam Jurnal Vokasi Sains dan Teknologi TEKNOBIS : Jurnal Teknologi, Bisnis dan Pendidikan Life and Death: Journal of Eschatology Jurnal Ilmiah Manajemen Ekonomi Dan Akuntansi (JIMEA) Jurnal Bisnis Jurnal TNI Angkatan Udara Journal of Education and Teaching Learning Dharmakirti : International Journal of Religion, Mind and Science Upadhyaya : Jurnal Pendidikan
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Improving Geometric Visualization and 3D Modeling of SMK Students through Reverse Engineering-Based CAD and Loft: Peningkatan visualisasi geometrik dan akurasi pemodelan 3D M. LAZUARDI RELIGIA HARIYONO; DIDIK NURHADI; MARSONO
Journal of Education and Teaching Learning Vol.4 No.2 October (2026)
Publisher : PT MEDIA JURNAL DAN PENDIDIKAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59211/mjpjetl.v4i2.432

Abstract

The geometric visualization skills and 3D modeling accuracy of vocational high school (SMK) students in Computer Aided Design (CAD) instruction were previously relatively low, as evidenced by difficulty in understanding relationships between geometric profiles, visualizing shape changes, and producing accurate three-dimensional models. This study aimed to improve students' geometric visualization skills and 3D modeling accuracy through reverse engineering-based CAD instruction utilizing the Loft feature. The method employed was Classroom Action Research (CAR), conducted in two cycles—each comprising planning, implementation, observation, and reflection—involving tenth-grade SMK students enrolled in a CAD course. Data were collected through observation, questionnaires, and practical tests. In the pre-cycle stage, instruction without reverse engineering resulted in an average score of 86.33 with a mastery rate of 77.78%. Cycle I increased the average score to 88.74 (mastery rate 86.42%), while Cycle II, using more complex objects and intensive guidance, raised it to 91.47 (mastery rate 93.83%). Observation and questionnaire results also showed improved student precision in geometric and three-dimensional modeling. This study concluded that reverse engineering-based CAD instruction using the Loft feature effectively improved SMK students' geometric visualization and modeling accuracy.
Development of apd compliance observation instrument based on risk matrix for smk smaw welding practices: Instrumen observasi kepatuhan APD berbasis matriks risiko Rahmad Putra Ardyansyah; Saifuddin Karim; Marsono; Rezaqi Adenan
Journal of Education and Teaching Learning Vol.4 No.2 October (2026)
Publisher : PT MEDIA JURNAL DAN PENDIDIKAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59211/mjpjetl.v4i2.453

Abstract

Occupational Safety and Health (K3) is an important aspect in learning SMAW welding practices because it has a high risk of work accidents. Based on the results of initial observations in the Machine Workshop of SMKN 1 Tuban, it was found that many students still did not use complete Personal Protective Equipment (PPE) during practice. This study aims to develop a valid and effective risk matrix-based PPE compliance observation instrument to reduce K3 violations in SMAW welding practices. The research method used Research and Development (R&D) with the ADDIE model which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The research subjects were 37 students of class X Mechanical Engineering. The research instruments were a checklist for PPE use, work condition observation sheets, and a risk matrix. The validation results by three experts obtained an average score of 4.65 with a very valid category, while a CVR value of 1.00 indicated that all instrument indicators met the content validity criteria. The implementation results showed that the number of PPE use violations decreased from 81 to 37 violations. The average PPE use compliance score increased from 1.857 to 3.914.The Wilcoxon Signed Rank Test results showed a significance value of p < 0,001  and the N-Gain analysis obtained a value of 0.6127 with a moderate category. Thus, the risk matrix-based PPE compliance observation instrument is effective for improving OHS culture in SMAW welding practices.
Improving Milling Machining Practice Competence through Competency-Based Evaluation at SMK PGRI 3 Malang: Classroom Action Research di SMK PGRI 3 Malang MUHAMMAD SULAIMAN; Didik Nurhadi; Marsono
Journal of Education and Teaching Learning Vol.4 No.2 October (2026)
Publisher : PT MEDIA JURNAL DAN PENDIDIKAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59211/mjpjetl.v4i2.524

Abstract

Milling practice learning in vocational schools requires students to possess work competencies aligned with skill-based standards. However, problems remain, such as low student accuracy and limited understanding of work procedures, with the average practical score in the previous semester reaching only 72. This study aimed to improve students' milling practice competence through competency-based evaluation at SMK PGRI 3 Malang using Classroom Action Research (CAR) conducted in two cycles involving 63 students of class X Machining Engineering. Data were collected through observation, documentation, and assessment of practical work, then analyzed using descriptive quantitative techniques. The results showed that competency-based evaluation improved students' practical skills, particularly in work preparation, machine operation, work accuracy, and occupational safety. Students' practical competence improved, as shown by the average score increasing from 76 to 81 in the first cycle and 88 in the second cycle, with learning mastery increasing from 75% to 80% and 89%. Students also became more active, careful, and responsible during practice. Therefore, competency-based evaluation is effective in improving students' milling practice competence in vocational schools.
Co-Authors A.Deni nuragil Ahmad Junaidi Animatul Chisbiyah , Lismi Asyahri Hadi Nasyuha Aufareyza, Dony Tata Bahrul Rizky Kurniawan Bayu Aji, Khusnul Danang Yugo Pratomo Darjat Saripurna Dedi Setiawan Dewi, Putu Ayu Septiari Dicky Nofriansyah Didik Nurhadi Didik S, Waras Diva rahmadani prihadita sari Dono Jupriyanto Eka Suciari Putri, Ida Ayu Else Dwi Isjulia Nur Fika Fatkurrohman Fenty, Ni Ketut G. Gunawan Gusti Ayu Dewi Setiawati Gustin, Sintia Aulia Hamzah, Iqro Nur Handayani Rahayuningsih Hari Raditya Cahyani, I Dewa Ayu Agung Herawati, Sisca Novita Herlan Budi Hermawan I Ketut Wisarja, I Ketut I Nyoman Suarjaya Edi Putra I Nyoman Temon Astawa I Putu Eka Pradnyana Iban, Carlos Ida Bagus Komang Sindu Putra Idatul Fitrotin Imam Muhtarom Iqro’ Nur Hamzah ISHAK Jupriyanto, Dono Kamalia Jaya, Praptika Khairu Syifa, Muhammad Rama Kisna Dewi, NI Putu L.Tobing, Herdian Lumban Gaol, Nur Yanti M. LAZUARDI RELIGIA HARIYONO Magjfiroh, Zazaul Mariami, Ita marsa Mar’atus Sholikhah Masrurotur Rodiyah Mella Karisma Fauzianti Muhammad Faiz Mubarok FAIZ Muhammad nakula anjani putra sadewa MUHAMMAD SULAIMAN Musyafa' Musyafa’ Naylatur Rohmah NI GUSTI AYU MADE YENI LESTARI, NI GUSTI AYU MADE YENI Ni Kadek Supadmini Ni Komang Sutriyanti Ni Wayan Sri Rahayu ning puri, nur aisyah Novi Herdian Nugroho, Nurcahyo Budi Nur aisyah ning puri Nuricah, Eka Heni Nuryani, Anik Nyoman Wiraadi Tria Ariani Pasaribu, Hardiani Perbowosari, Heny Puri , Nur Aisyah Ning Puri, Nur Aisyah Ning Putri ayu nanda sholehah Putri ayu nanda solehah Putri Widyastuti, I Gusti Ayu Heny Rahayu, Ni Wayan Sri Rahmad Putra Ardyansyah REZAQI ADENAN Risma susila Riswana, Melvi Robert Markus Zaka Lawang Rokhmah, Sinta Nur Rosid, M Abdul Saifuddin Karim Saniman Sedana Suci, I Gede Septiari Dewi, Putu Ayu Sholehah, Putri Ayu Nanda Sholikhah, Mar’atus Siswanto Suci Andini SULASTRI SUPRAYITNO Suyanta, I Wayan Syafitri, Syahrina Teguh Kurniawan Totok Dewayanto Tuwoso Umi Nadhiroh Umrotul hikmah Utami, Ponita Rizki Wahyuni, Sukma Ningsih Ike Widiarti Rista Maya Wiranata, I Gusti Lanang Agung Yohanni Syahra Zazaul maghfiroh