SigmaNEST 3D is seamlessly integrated into SolidWorks, working as an add-in with a familiar graphical user interface to allow for maximum ease of use. It uses feature data from the native SolidWorks part (. Prt,. SigmaNEST 3D significantly improves the 3D cut quality by smoothing cuts, automatically applying lead-ins and buns, and optimizing cutting speed. It also allows users to maintain control by allowing manual modification of a generated program.