--- title: "Rectangle Object" url: "https://help.maxon.net/c4d/en-us/Content/html/OSPLINERECTANGLE.html" section_path: "Create Menu > Spline > Rectangle Object" element_id: "OSPLINERECTANGLE" command_id: "5186" description: "This page documents the Rectangle spline primitive in Cinema 4D. It creates rectangles and squares with optional corner rounding — one of the most used …" --- # Rectangle Object > **Note:** **What is it about?** > > This page documents the **Rectangle spline primitive** in **Cinema 4D**. It creates rectangles and squares with optional corner rounding — one of the most used base outlines for panels, frames, screens and extruded plates. ![Image: 001646.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/001646.jpg) This command creates a rectangle.