--- title: "Arc" url: "https://help.maxon.net/c4d/en-us/Content/html/NET_MAXON_NEUTRON_NODE_PRIMITIVE_CURVE_ARC.html" section_path: "The Node Editor > The individual Assets > Geo Spline > Arc" element_id: "NET_MAXON_NEUTRON_NODE_PRIMITIVE_CURVE_ARC" description: "This page documents the Arc node primitive of the Scene Nodes system in Cinema 4D. It creates circular arc splines — precise curve segments as procedural …" --- # Arc > **Note:** **What is it about?** > > This page documents the **Arc node primitive** of the Scene Nodes system in **Cinema 4D**. It creates circular arc splines — precise curve segments as procedural geometry. This Node creates arc elements as spline geometry. ![Image: R25_Arc.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/R25_Arc.jpg)\ The different curves that can be created: Arc, Sector, Segment and Ring.