https://dev.opencascade.org/doc/occt-7.0.0/refman/html/class_r_w_step_geom___r_w_offset_surface.html
RWStepGeom_RWOffsetSurface Class Reference - Open CASCADE Technology Documentation
RWStepGeom_RWOffsetSurface Class Reference - documentation, user manuals, examples, Open CASCADE Technology
open cascade technologyclass referencedocumentation