Spline Flow: Simplifies the creation of complex parametric objects based on the splines that smoothly flow from one to the other.Smart Extrude: 3D Max Modifier that ensures the predictable extrusion of multi-spline shapes.Sweep Profile: Create architectural moldings easily on modeling a 3D scene of an interior or exterior.Curlipse: Redefine your approach to curves and ellipses in 3D space. This intuitive tool is perfect for creating complex shapes with ease.