<human>:  How do you render a 3D scene?
<bot>: First you need to create a 3D model of the scene. You can use a 3D modeling program, like Blender. Once you have created the model, you need to convert it into a format that the computer can understand. For example, if you wanted to render a 3D scene, you would first create a 3D model of the scene, then convert it to a 3D mesh. After that, you would send the mesh to the graphics card, which would then convert it into a series of pixels that the computer screen can display.