Short answer

  • 2D animation creates movement from flat artwork that has height and width but no depth, so a character seen from a new angle usually has to be drawn again. 3D animation builds characters, props, and sets as digital models with height, width, and depth inside a virtual space, so a virtual camera can move around them without redrawing them. That single difference shapes almost everything else: how a production is planned, what skills the team needs, how movement looks, and what each style does best. Neither style is simply better than the other. 2D tends to suit graphic, stylized, and hand drawn looks, while 3D tends to suit volumetric, lifelike, or spatial subjects that must be shown from many angles.

What Is 2D Animation?

2D animation is the older of the two forms, and its basic idea has barely changed: a series of still images is shown in quick succession, and the viewer perceives movement. In traditional hand drawn animation, artists drew each image on paper or on transparent sheets called cels, photographed them in order, and played the sequence back. In modern digital 2D animation, the drawing often happens on a screen with a stylus, but the principle is the same. The artwork itself stays flat. A character has a front view, a side view, a three quarter view, and a back view because each view is a separate drawing.

That flatness is a creative strength as well as a limit. Because every pose is drawn, an animator can stretch a character, squash it flat, bend a limb past what a real body could do, or morph one shape into another, all for comic or dramatic effect. Lines, color, and texture can change from shot to shot if the story calls for it. A 2D world can look like a watercolor painting, a bold graphic poster, a sketchbook, or a clean vector cartoon, and it can switch between those looks deliberately.

2D animation also includes techniques that do not involve drawing every frame from scratch. In cutout animation, flat pieces for a head, torso, arms, and legs are moved a little at a time, like paper puppets. In vector animation, shapes are built from points and curves on a computer and then moved, scaled, or reshaped. In rotoscoping, animators trace over live action footage frame by frame to capture realistic movement in a drawn style. All of these still produce flat images. The picture may move convincingly, but it never gains true depth. A viewer cannot orbit around a 2D character the way a camera can orbit around a sculpture.

Much of the charm of 2D animation comes from this drawn quality. Viewers can often sense the artist’s hand in a line or a brushstroke, and that visible craft is part of the appeal. Classic cartoon shorts, many television comedies, explainer videos, and much of Japanese anime use 2D methods, even when computers now handle coloring, compositing, and camera moves that were once done by hand.

What Is 3D Animation?

3D animation, often called computer generated imagery or CGI animation, starts from a different kind of object. Instead of a drawing, artists build a model inside a three dimensional virtual space. The model has height, width, and depth, much like a clay sculpture, except that it exists as data. A character model is typically built from a mesh, which is a surface made of many small polygons, and then given materials that describe its color, roughness, shininess, and other surface qualities. Lights are placed in the scene, and a virtual camera is positioned to frame the shot.

Once the model exists, it is rigged. Rigging means giving the model an internal skeleton of bones and controls, so that an animator can pose an arm, turn a head, or bend a spine without rebuilding the character each time. The animator then sets key poses at chosen moments in time, and the software calculates the movement between those poses, a process called interpolation. The animator refines that in between movement by adjusting timing, spacing, and curves until the motion reads the way the scene requires.

The final stage is rendering, in which the computer calculates how light, shadow, reflection, and surface materials should appear from the camera’s viewpoint and produces the finished frames. Rendering can be slow for complex scenes, because the computer must work out the appearance of every visible surface, but it is what gives 3D animation its sense of volume, depth, and consistent lighting.

Because the model persists from shot to shot, a 3D character keeps the same proportions, costume details, and surface qualities throughout a production. If the director wants a new camera angle, the camera moves inside the virtual set and the same model is filmed again. No one has to redraw the character from the new side. That consistency is one of 3D animation’s greatest practical advantages, and it is also why 3D animation suits subjects that must look the same from every angle, such as a product, a vehicle, a building, or a creature in a long feature film.

2D vs 3D at a Glance

Feature2D animation3D animation
Starting pointFlat drawings or flat digital artworkA digital model in virtual space
DimensionsHeight and width onlyHeight, width, and depth
New camera angleDrawn again from that angleMove the virtual camera
MovementCreated by sequencing drawingsCreated by posing a rigged model over time
LookGraphic, drawn, or painted, with visible line and textureVolumetric and sculptural, from stylized to lifelike
Light and shadowPainted or drawn by the artistCalculated from virtual lights and materials
Character consistencyDepends on the artist redrawing the design accuratelyBuilt into the model, which is reused in every shot
Typical strengthsStylization, exaggeration, graphic claritySpatial realism, reuse of assets, camera freedom

The table is a simplification, and real productions blur the lines. A 2D production may use 3D models for a vehicle or a background, and a 3D production may be rendered to look flat and hand drawn. The table describes the core method of each form, not a rule that every project must follow.

The Production Pipelines Compared

Both forms begin the same way, with an idea, a script, and storyboards that sketch out the action shot by shot. An animatic, which is a rough timed version of the storyboard, helps the team test pacing and storytelling before expensive production work begins. After that shared starting point, the pipelines diverge.

A typical 2D pipeline moves from character and background design into layout, where the composition of each shot is planned, and then into animation itself. Key poses are drawn first, then in between drawings fill the movement between them, and then the drawings are cleaned up so that lines are consistent. Color artists fill the cleaned drawings, backgrounds are painted or built digitally, and everything is composited, meaning layered together, with sound and effects. The labor is concentrated in drawing. A long scene needs many drawings, and a revision to a character’s design can mean redrawing every shot in which that character appears.

A typical 3D pipeline moves from design into modeling, where characters, props, and environments are built, then texturing, where surface materials are applied, and then rigging, where the controls for movement are added. Layout places the models and cameras in each shot. Animators pose the rigged models and refine the motion. Lighting artists light the scenes, and rendering produces the final frames, which are then composited with effects and sound. The labor is concentrated earlier in the process, in building assets that can then be reused. A revision to a model still takes work, but once it is fixed, every shot that uses that model benefits.

This difference explains a common pattern in production planning. A short 2D project can often start quickly, because a skilled artist can begin drawing almost at once. A 3D project usually needs more setup before the first finished shot appears, because models, rigs, and lighting must exist first. On a longer project, that balance can shift. Once the 3D assets exist, new shots, new angles, and small revisions may be faster than redrawing equivalent 2D material. Neither pattern guarantees a lower total cost, since team size, quality targets, and the length of the piece matter at least as much as the technique chosen.

Look and Movement: How Each Style Feels on Screen

The most visible difference between 2D and 3D animation is depth. A 2D image reads as a picture on a surface. Depth is suggested by overlapping shapes, relative size, and drawn perspective, but the picture itself has no volume. A 3D image reads as a space the camera could move through. Objects shrink with distance in a consistent way, light falls across curved surfaces, and a camera move reveals new sides of the same object without any change to the object itself.

Movement feels different too. In 2D animation, the animator controls every drawing, so motion can be deliberately uneven, snappy, or elastic. A character can squash flat on landing and stretch tall on takeoff in a way that would break a physical model. This freedom is why 2D animation excels at visual gags, metamorphosis, and bold graphic timing. The trade off is that smooth, realistic, three dimensional rotation is hard work in 2D, because each stage of a turn must be drawn and kept on model.

In 3D animation, motion is constrained by the model and its rig. A character cannot accidentally change proportions from one frame to the next, which helps realism and continuity, but it also means that extreme cartoon distortion has to be built into the rig deliberately. Motion in 3D tends to look smooth and physically plausible, because the software interpolates between poses and because animators often study real world weight, balance, and momentum. When 3D animation looks wrong, the fault is usually timing or weight rather than draftsmanship: a character may glide without effort, float without gravity, or move every part of its body at the same even speed, which reads as lifeless even though the model itself looks polished.

Both styles rely on the same underlying animation principles. Timing, which is how long an action takes, spacing, which is how poses are distributed across that time, anticipation, follow through, and exaggeration matter in 2D and 3D alike. The tools differ, but the job of making movement read clearly and feel intentional is the same.

Frame Rates and the Meaning of Animated on 2s

Frame rate is often misunderstood, so it is worth separating two ideas: how many frames are shown per second, and how many new drawings or poses appear in that second.

Cinema has long used 24 frames per second as a standard projection rate. At that rate, a new image appears every one twenty fourth of a second, fast enough for the eye to blend the sequence into continuous motion. Television and online video use other common rates, such as 25 or 30 frames per second, and some productions use higher rates for extra smoothness. The playback rate is a property of the finished video, and it stays constant while the piece plays.

In 2D animation, the animator decides how many distinct drawings to supply within that playback rate. Animating on ones means supplying a new drawing for every frame, which at 24 frames per second means 24 new drawings per second. That gives the smoothest motion and is often used for fast action, camera moves, or moments where fluidity matters most. Animating on 2s means holding each drawing for two frames, which at 24 frames per second means 12 new drawings per second. The playback rate is still 24 frames per second, because each drawing is simply shown twice. The motion looks slightly stepped rather than perfectly smooth, but it reads clearly, it keeps a hand drawn character, and it halves the number of drawings required.

Animators mix these timings within a single scene. A fast run or a sudden impact might be animated on ones, while dialogue or a gentle gesture in the same scene might be animated on 2s. Slower holds may use 3s, meaning each drawing is held for three frames, or 4s, with correspondingly fewer new drawings per second. This mixing is a creative choice, not a defect. It controls emphasis, saves labor where extra smoothness would add little, and gives 2D animation part of its distinctive rhythmic feel.

In 3D animation, the equivalent question is handled differently. Because the software interpolates between key poses, motion is typically computed for every frame, so a 3D character effectively moves on ones by default. An animator can still create a stepped, 2D like feel in 3D by holding poses for two frames at a time or by adjusting the interpolation, and some stylized 3D productions do exactly that to mimic hand drawn timing. The point is that frame rate alone does not define the style. What matters is how many distinct positions the audience sees per second and how the animator uses timing to shape the motion.

A practical consequence follows. When viewers say a piece of animation looks choppy, they may be noticing a low number of new drawings per second, a deliberate stylistic hold, or uneven timing, and those are different causes with different fixes. When viewers say it looks too smooth or floaty, they may be noticing motion computed for every frame without enough variation in speed or weight. Good animation in either form is rarely about maximizing smoothness. It is about choosing the right timing for each action.

2D Anime vs 3D: A Special Case

The folded in comparison of 2D anime and 3D anime deserves its own note, because anime fans use the terms with a particular history in mind. Much of Japanese anime is traditionally 2D animation. Characters are drawn, backgrounds are painted or built digitally, and movement often uses limited animation techniques, meaning fewer new drawings per second than full feature animation, with strong poses, dramatic camera work, and detailed still images carrying much of the storytelling. That approach developed alongside television schedules and budgets, but it also became an aesthetic in its own right. Fans often value its graphic line work, expressive faces, and stylized motion.

3D anime, sometimes called CGI anime, builds characters and environments as 3D models instead. The models may then be rendered with cel shading, a technique that flattens lighting into bands of color and outlines the forms, so that the finished image resembles 2D drawing even though it was produced in three dimensions. Some productions mix the two, using 3D models for vehicles, crowds, or complex camera moves inside an otherwise 2D production, or using 2D style rendering on fully 3D scenes.

The debate between fans usually comes down to movement and line. 2D anime can change a character’s proportions or facial design from shot to shot for expressive effect, while a 3D model keeps its design fixed. 3D anime can stage long, complex camera moves and large crowds more consistently, while hand drawing the same shots would be extremely labor intensive. Neither approach is inherently more faithful to anime as a medium. Anime is defined more by its storytelling traditions, visual language, and production culture than by any single technique, and both 2D and 3D methods now sit comfortably inside it.

Typical Uses: Where Each Style Tends to Fit

Feature films use both forms. Hand drawn and digitally drawn features continue to be made, and computer animated features dominate much of mainstream family cinema. Pixar’s Toy Story, released in 1995, is described by Pixar itself as the world’s first computer animated feature film, and it marks the moment when 3D animation proved it could carry a full length story. That history does not make 2D feature animation obsolete. It shows that audiences accept either form when the story and craft are strong. For more on how one major studio’s work developed, see our history of DreamWorks animated films.

Television leans heavily toward 2D for comedy, children’s programming, and serialized shows, because 2D pipelines can support weekly schedules and graphic styles that read clearly on smaller screens. 3D television animation is common too, especially for preschool programming and action series where reusable models and consistent characters help across many episodes.

Advertising and online video use both forms for different reasons. A short explainer that must communicate an abstract idea quickly often suits 2D, because flat shapes, icons, and text can be combined cleanly and a message can be staged without building a virtual world. A product demonstration that must show an object accurately from several angles often suits 3D, because the same model can be rotated, opened, or exploded into parts without redrawing it. The choice usually follows the subject: ideas and diagrams favor flat graphics, while physical objects and spaces favor models.

Video games sit close to 3D animation in technique, since game characters are usually rigged models animated in real time, but games also use 2D art extensively for side view games, mobile games, and stylized titles. Readers considering formal study in this area can read our guide to a video game design degree for the broader educational context.

Education and training use both forms as well. A 2D diagram that labels parts of a process can be clearer than a realistic rendering, because unneeded detail can simply be left out. A 3D model, by contrast, can be rotated by the learner and explored from inside, which suits anatomy, machinery, and architecture. Younger learners often meet animation first through classes and clubs; our guide to animation classes for kids explains what those programs typically cover. And the modeling skills behind 3D animation overlap with making physical objects: readers interested in that side can browse cool things to 3D print for examples of what models become outside the screen.

Finally, adult audiences should not assume animation is only for children. A wide range of animated films address adult themes, histories, and emotions in both 2D and 3D styles. Our viewer guide to animated films for adults surveys that territory without assuming a single technique defines it.

Choosing Between 2D and 3D

There is no universal winner, but a few questions usually settle the choice for a particular project.

First, what must the audience see? If the subject is an idea, a process, a joke, or a graphic identity, 2D clarity may serve it best. If the subject is a physical object, a place, or a character that must be believable from every angle, 3D consistency may serve it best.

Second, what look does the project need? A hand drawn texture, a poster like flatness, or a sketchbook feel points toward 2D. A sculptural, lifelike, or spatially immersive feel points toward 3D, although 3D can also be rendered to look flat when a project wants that hybrid result.

Third, how long is the piece, and how much will be reused? A short, one off piece may favor the faster startup of 2D drawing. A long series, a product line with many variants, or a project that will need new angles later may favor the reusable assets of 3D, once the initial modeling investment is made.

Fourth, what skills does the team actually have? A team of strong draftspeople will produce better 2D work than a team learning 3D modeling under deadline pressure, and the reverse is equally true. Technique should follow talent, not fashion. Hybrid productions exist precisely because teams play to their strengths, using 2D where drawing shines and 3D where modeling and camera freedom shine.

Fifth, what does the schedule allow? 2D schedules are driven by drawing volume, while 3D schedules are driven by asset building and rendering time. A realistic plan accounts for the bottleneck of the chosen form rather than assuming one form is automatically faster.

Asking these questions early prevents the most common disappointment in animation projects: choosing a style for its reputation and then discovering that its workflow fights the actual subject matter.

Skills and Tools at a Generic Level

Learning 2D animation starts with drawing and observation. Life drawing, perspective, composition, and color help an animator design characters that read clearly and move convincingly. Storyboarding teaches staging and timing before any finished frame exists. Digital 2D work adds familiarity with drawing software, layers, timelines, and compositing, but the foundation remains the ability to draw a pose that communicates an action.

Learning 3D animation starts with spatial thinking and observation as well, but adds modeling, texturing, rigging, lighting, and rendering to the skill set. An animator must understand how a skeleton of controls drives a model, how light and material create the illusion of surface, and how a virtual camera behaves. Performance skills matter in both forms: acting, timing, and an eye for weight and balance translate directly, whether the output is a drawing or a posed model.

No single program defines either field, and beginners should be wary of advice that presents one piece of software as a requirement. Schools and studios use a range of drawing, modeling, rigging, and rendering tools, and the specific tools change over time. What transfers between tools is understanding: how key poses, timing, spacing, and staging create believable motion, and how production pipelines organize that work. A portfolio that demonstrates those principles in either form will say more than a list of software names.

For readers who enjoy drawing itself, whether or not they pursue animation, our collection of drawing ideas offers prompts and starting points.

Common Misconceptions

One misconception is that 3D animation replaced 2D animation. It did not. Both forms continue to be produced in large volumes, for different audiences and purposes, and many productions combine them.

Another misconception is that 2D animation is always cheaper. A short 2D piece can be inexpensive, but a long, fully animated 2D feature requires an enormous number of drawings, and that labor is real. Cost depends on length, quality targets, team size, and reuse, not on the label alone.

A third misconception is that 3D animation is automatic because the computer fills in movement between poses. The computer interpolates, but the animator chooses the poses, the timing, and the refinements that make motion believable. Poorly chosen poses produce lifeless motion no matter how smooth the interpolation is.

A fourth misconception is that higher frame rates always mean better animation. Smoothness helps some actions and hurts others. Deliberate holds, stepped timing, and varied drawing counts are artistic tools, not flaws, when they are chosen with intent.

A fifth misconception is that anime must be 2D to count as anime, or that 3D anime is not real animation. Anime spans both techniques, and the distinction that matters most to viewers is usually the quality of the storytelling, design, and movement, not the production method alone.

Frequently Asked Questions

What is the main difference between 2D and 3D animation?

The main difference is how the image is made. 2D animation creates movement from flat artwork with height and width, so a new view usually requires a new drawing. 3D animation creates movement from digital models with height, width, and depth in a virtual space, so a virtual camera can show the same model from any angle.

Is 2D or 3D animation easier to learn?

Neither is simply easier. 2D animation demands strong drawing skills and patience with frame by frame work. 3D animation demands spatial thinking plus technical skills such as modeling, rigging, and lighting. Beginners often find 2D quicker to start, because a pencil and paper are enough for first experiments, while 3D has a steeper initial learning curve before a first finished shot appears. Long term difficulty depends more on the learner’s strengths than on the label.

What does animated on 2s mean?

Animated on 2s means each drawing is held for two frames. At a playback rate of 24 frames per second, that gives 12 new drawings per second, while the finished video still plays at 24 frames per second because each drawing is shown twice. Animators mix on ones, on 2s, and longer holds within a scene to control smoothness, emphasis, and workload.

Is anime 2D or 3D?

Most traditional anime is 2D animation, drawn frame by frame or with digital drawing tools. Some anime is made with 3D models, often rendered with cel shading to resemble 2D drawing, and many productions mix both methods. Both approaches belong within anime, and the choice affects line quality, camera freedom, and movement style rather than whether the work counts as anime.

Can 3D animation look like 2D animation?

Yes. A 3D production can be rendered with flattened lighting, bold outlines, and stepped timing so that the finished image resembles hand drawn animation. The underlying production method is still 3D, because models and a virtual camera are involved, but the visible style can be deliberately flat and graphic.

Which style is better for a product video?

It depends on the product and the message. If the video must show a physical product accurately from many angles, 3D modeling is usually the stronger choice, because one model can be rotated and explored. If the video must explain an idea, a service, or an abstract benefit, 2D graphics are often clearer and quicker to produce.

Do 2D and 3D animators use the same principles?

Yes, in large part. Timing, spacing, anticipation, exaggeration, staging, and an understanding of weight and balance apply to both forms. The tools and daily tasks differ, but the goal of making movement clear, intentional, and believable is shared.

Is 2D animation dying out?

No. 2D animation remains widely used in television, online video, advertising, independent film, and anime. Its production volumes and styles have changed with digital tools, but the form itself continues to be commissioned and watched in large amounts, alongside 3D animation rather than instead of it.

Sources & references

  • Pixar Animation Studios, Our Story: Toy Story described as the world's first computer animated feature film, released in theaters on November 22, 1995.
  • The Walt Disney Company, How Toy Story Changed Pixar and Animation: Toy Story described as the first fully computer animated feature film, released November 22, 1995.
  • Autodesk, Combining 3D Animation vs. 2D Animation for Better Results: definitions of 2D animation as frame by frame drawing on a flat plane and 3D animation as modeling with height, width, and depth in a virtual space.
  • CG Spectrum, 2D vs 3D Animation: Which Field Should I Focus On: comparison of 2D drawing based workflow with 3D rig based workflow, and the contrast between artistic drawing emphasis and technical modeling emphasis.
  • University of North Carolina Wilmington, Animation Basics teaching material: 24 frames per second timing, animating on 2s as a new drawing every second frame, giving 12 drawings per second, and 3D animation as animated on ones.
  • VCAD, 2D vs 3D Animation: Differences Between 2D and 3D Animation: 2D frame rate variation including 12 frames per second working on twos, and 3D animation as model, texture, and rig based work in a three dimensional environment.

Emma Hudson

Editor of Amberaisle — clear, thoughtful explainers for curious readers. More about the editor →