SMK Negeri 5 and SMK Negeri 2 Balikpapan are a vocational-based high school that is focused on technology. It is hoped to be the student learning center of developing engineering skills in Balikpapan. In order to support learning activity on producing three-dimensional products that are fast and easy, 3D Printing becomes the best method to be applied. Therefore, the Department of Materials and Metallurgy Engineering conducted a collaboration event with those schools on how to produce 3D products using 3D Printing. A training that was conducted via online meetings has been successfully held in one day. The training starts with introducing the technology of 3D Printing, searching and creating 3D pictures, and practicing directly how to use the equipment. The participants who have following the training had chances