This conference talk explores the versatility and challenges of NURBS splines in FreeCAD, a powerful 3D design tool. Discover how these mathematical curves enable efficient modeling of complex shapes while understanding the common confusions users face when comparing FreeCAD's implementation to other applications like Inkscape. Learn best practices for common workflows, see current improvements, and get insights into future plans to make the spline experience more intuitive. Presented by Ajinkya Dahale at LGM 2025, this 18-minute presentation addresses frequent questions from the issue tracker and forums, making it valuable for both new and experienced FreeCAD users working with curved designs.