FrameMaster is a FEM-program that helps you dimension almost all kinds of constructions: roof-trusses, floors, walls, bridges,furniture, shafts and much much more. FrameMaster is both one of the cheapest and most powerful program in its category. FrameMaster is used of both amateurs and professionals.Avoid over dimensioning, instead model your construction in FrameMaster and the program will tell you if the construction is strong enough or not!