An introductory session on 3D printing was successfully conducted by Thrimana for Mechanical Engineering Sectional Committee (MESC) of the IESL on 13th September and for Electrical & Electronics Engineering Sectional Committee of the IESL on 3rd October 2017 in line with “Techno”, largest engineering and technology exhibition held in Sri Lanka. Participants were given the knowledge on 3D modelling, slicing, 3D printing.