Using 'PANOPLIA preprocessor' the user has all the appropriate tools to model the building's framework in a rapid and intuitive environment, simultaneous 2D and 3D view, and the means to visualize the resulting building's frame. Here is the official description for Panoplia Preprocessor: 'PANOPLIA preprocessor' is part of a sophisticated software system intended for the design and analysis of earthquake resistant reinforced concrete buildings, called PANOPLIA. After our trial and test, the software was found to be official, secure and free. Panoplia Preprocessor is a Business::Math & Scientific Tools software developed by pi-Systems S.A.