Piper Super Cub EP FoamTHE SHORT CUT TO SEMI SCALE MODELING! Until now, scale and semi scale models have always been the preserve of those modellers who were prepared to make big investment in time and money. Things are different now, as modern computer controlled technology can produce wonderful looking models from styrofoam, relieving the modeller of all the building difficulties. It only takes an evening to complete the basic contstruction of these models.