This article explains how to create a 3D model of a half cylinder. The steps involve creating a cylinder then cutting it in half. This is done using a 3D modeling program such as Blender, Maya, or 3ds Max. The article then explains how to adjust the settings of the 3D software to accurately create the half cylinder. It also explains how to add textures and colors to the model. Finally, the article provides some tips for making the model look realistic. In conclusion, this article provides step-by-step instructions for creating a 3D model of a half cylinder.