ShapeSmart ® NP3+. The ShapeSmart ® NP3+ has been redesigned both ergonomically and technically to offer the best value for quality, price and performance.. With a choice of 3 or 4 CNC axes and based on the method of peel grinding with simultaneous engagement of a roughing and a finishing wheel, the ShapeSmart ® NP3+ is a precision pinch and peel grinding machine for the preparation of ...