Abstract
This paper presents the preparation phase for model of transmission tower lattice construction using ANSYS APDL environment. Beam elements are used for the model which introduce complications in the preparation phase because of the need to define the beam shape. Considering that the lattice construction of the transmission tower consists of hundreds of trusses it is obvious that some auxiliary tool is necessary for preparation of such model in ANSYS APDL. This tool was programmed in SW Wolfram Mathematica.