Rendering the animation

Our scene is coming along great, but for this last section of the chapter, we will be going over some final tweaks and touchups to make our render look good:

1. Let’s start by working on the flag. To smooth out the wrinkles and give it an overall better look, let’s add a Subdivision Surface modifier. Head over to the Modifier panel, click Add Modifier, and select Subdivision Surface. Set both the Viewport and Render levels to 2.
2. Right now, our flag is completely thin, which isn’t very realistic, so let’s add a Solidify modifier to give it just a little bit of thickness. Set Thickness to something much lower, such as 0.002.
3. As for the lighting, I recommend using an HDR (High Dynamic Range) for the most realistic results. You can get very high-quality HDRs for free at polyhaven.com. Once you have found an HDR that you like, head over to the World panel, click the yellow dot next to Color, select Environment Texture, and...