1. Department of Engineering Graphics, Faculty of Fundamental Sciences, VILNIUSTECH, Vilnius Gediminas Technical University, Saulėtekio al. 11, 10223 Vilnius, Lithuania
2. The Institute of Sustainable Construction, Faculty of Civil Engineering, VILNIUSTECH, Vilnius Gediminas Technical University, Saulėtekio al. 11, 10223 Vilnius, Lithuania