.. role:: blue :class: blue MbRough Surface Finish Symbol ============================= .. _MbRough_Surface_Finish_Symbol_: .. kernel version: The :blue:`MbRough` class is declared in the *mb_rough.h* file. The MbRough surface finish symbol is a derived class of :blue:`MbPointsSymbol`. The surface finish symbol is defined by a set of three-dimensional points **points**, data about segments of complex sections *steps*, and a topological attachment object **item**. The object carries information about the base points of the surface finish symbol that are associated with the topological object **item**. The object is used when constructing planar projections of the surface finish symbol of the geometric model element **item**.