Key Benefits include NURBS constructions and manipulations, trimmed surface constructions and intersections, a pure non-manifold topology, implementation of a powerful merge operator for model construction, the Boolean operator for construction of solid models, advanced fillets and blends across complex solids and surfaces, a non-manifold sweeping method, shelling process using the merge operator to maintain the integrity of the offset of the solid, very precise mass properties, topology-based mesh generation for crack-free tessellations, IGES/STEP/VDAFS translation options, supplied as standard C++ source code, full unlimited Web, e-mail and phone support, support includes all upgrades, and attractive royalty-free licensing.