The Department of Mathematics in the College of Science held a training course entitled 3D printing for lecturers Mohammad Diab Khalif, a lecturer at the Center for Marine Sciences, and Assis. prof. Enas Wahab Abood, from the Department of Mathematics. The course aims to introduce the process of designing and 3D printing, the types of software used in designing and their advantages, and printers and dealing with them and their types.