The question comes up at the start of almost every animation project. Should this be 2D or 3D. It is usually asked as a technical question, as if the answer lived inside a software choice, but it is really a storytelling question wearing a technical costume. The medium you pick shapes how an audience feels the story, what it costs, how long it takes and even how the team is built. Choosing well early saves you from expensive corrections later, and choosing badly is one of the most common ways an animated film loses its way.
Start with what each craft is naturally good at. Hand-drawn 2D carries the mark of the hand. Every line was made by a person, and that shows on screen as warmth, expression and a kind of imperfection that reads as soul. It bends easily toward the poetic, the emotional and the timeless, which is why so much work about memory, folklore and inner life reaches for it. The tradeoff is that 2D is labour intensive in a very particular way. Consistency across thousands of frames is hard, and the more painterly and detailed the style, the heavier that lift becomes.
That weight is exactly what makes handcrafted 2D worth it for the right story. Children of Barzagh was made as a fully handcrafted 2D animated short, and the choice was inseparable from the material. A story that lives in feeling and memory asks for a texture you can sense, and no rendered surface delivers that the way a drawn line does. The decision was not nostalgia for old techniques. It was a judgement that the emotion of the piece needed the visible presence of the hand, and that presence is part of why the film found the festival attention and awards it did.
3D works from a different set of strengths. Once characters and environments are built, they exist in space and can be lit, moved and re-shot from any angle, which makes 3D powerful for scale, for consistency across long running times and for anything that needs to feel physically real. Complex environments, architecture, crowds and long series all benefit from a world you can build once and then live inside. The heavy investment sits at the front, in modelling and rigging, and the payoff arrives later in flexibility and repeatability.
That profile is what suited the Islamic Anthology Series, a ten-episode 3D animated anthology where each chapter focuses on a historic Saudi site. A project on that scale, grounded in extensive historical research and built to stand as a narrative foundation for future cultural work, needs environments that can be reconstructed accurately and revisited across many episodes. 3D let those historic places be built as real spaces and returned to chapter after chapter with consistency, which would have been far harder to sustain by hand across ten episodes.
Notice that neither project chose its medium for its own sake. In both cases the story set the brief and the craft answered it. That is the reliable way to make this decision. Ask what the audience needs to feel, then ask which medium delivers that feeling most honestly. A tender, memory-driven short and a large research-led heritage series are simply different problems, and it is no accident they landed on different crafts.
Budget and schedule matter too, and they behave differently across the two. 2D spreads its cost across the whole production because every scene demands drawing, so a long or highly detailed 2D film can become very expensive to finish. 3D loads its cost up front in the build, then becomes more efficient the more you reuse those assets, which is part of why series and franchises so often lean 3D. Knowing where the cost lives in each pipeline lets you plan realistically instead of discovering the truth halfway through.
It is also worth remembering that the two are not enemies, and the most interesting results often live where they meet. Combining live action with hand-drawn animation, or blending 2D elements into 3D environments, can produce something neither medium reaches alone. The point is never to be loyal to a technique. The point is to serve the story with whatever combination of tools tells it best.
So the honest answer to 2D versus 3D is that there is no universal winner, only the right fit for a specific film. Weigh the feeling you are after, the scale of the world, the length of the piece and where you can afford to spend, then let those pull you toward one craft or the other. You can see both approaches at work across the animation direction projects, and the through line is the same in each. The technique should be invisible. The story should be the thing you remember.