Only for component manufacturers. Built for power. MiTek®, Structure is a powerful tool for structural modeling, editing and estimating. The formula builder feature allows designers to create and store custom formulas, group them into sets, apply them to jobs or individual objects, and scheme them. Apply formulas to modeled objects to create estimates. You can create and customize plan options right from your job file. You can include all member types, including accessories and walls, in your options. Option customization allows you to use special junction considerations for site-specific creation. You can create a model of a unit and place it multiple time. You can place units once and then make changes to the original units.