3d sketch drawings of shahyad tower; freedom tower of tehran; 3d sketchup of tehran freedom tower in sketchup format the freedom tower; known as the shahyad tower before the iranian revolution; is the main and one of the symbols of tehran; and almost everywhere in the world; iran is known by this symbol [1]; and in the solar year; by hossein amanat; [1] iranian architect built. the freedom tower; designed as a symbol of -modern iran- and designed to commemorate the six-year anniversary of the imperial empire; is located in the middle of one of the main squares west of tehran called shahid and the current freedom square. tower architecture is a combination of achaemenid architecture; sassanid architecture; and islamic architecture. [3] in the basement of the tower; there are several theaters; galleries; libraries and museums.