Contents Part II: Mesh Tutorials | Chapter 3: Introduction to Curves and Surfaces | Print page 3.8. Create Curve to Trim BladeChoose Geometry > Curve > BSpline Curve from the menus.Click node 1.Click node 2.Click node 3.Click node 4.Click node 5.Click Apply. « 3.7. Import Blade Mesh 3.9. Trim the Blade »