looks like a good polygon modeler.
You should see it more in detail, but it looks like it has good tools to shape.
These modelers are especially indicated when you have to reconstruct a 3d model from the blueprints. seems very fast at this stage.
is not a polygonal is a sort of rhino year 3000
nurbs and polynurbs, their concept of subd, with addition of parametric design and constraints in sketch 2d
