Explore geometry nodes in Blender 4.0 through this tutorial video, focusing on decorating a donut with sprinkles. Learn to scatter points, create round sprinkles, and instance them using geometry nodes. Discover techniques like Poisson Disk distribution, weight painting, and accurate real-world sizing. Master the process of exposing values, applying scale, and normalizing density for realistic sprinkle placement. Gain practical skills in 3D modeling and node-based workflows while enhancing your Blender expertise.