Learn how to efficiently organize concept sketches using the dope-sheet and keyframes in Blender's Grease Pencil. Discover techniques for working quickly, tracking concept changes, and rendering separate pages with ease. Explore tips for streamlining rough concept work using Grease Pencil's keyframe functionality in this 41-minute tutorial by CG Cookie. Gain insights into a unique approach that combines traditional storyboarding methods with Blender's powerful 3D animation tools.