--- title: "3D Animation Pipeline: Every Stage from Concept to Game Engine" description: "The 3D animation pipeline for games, stage by stage: concept, modelling, UVs, rigging, animation, export, LODs and optimisation, and who does each step." image: https://cada-edu.com/hubfs/Artwork/Posters/class18_MichaelDavidLarsen.png --- [Go Back Up](https://cada-edu.com/guides/3d-animation-pipeline#top) [Skip to Content](https://cada-edu.com/guides/3d-animation-pipeline#body) [![Copenhagen Academy of Digital Arts](https://cada-edu.com/hs-fs/hubfs/Logo_CADA_White_AlphaHD.png?width=200&height=60&name=Logo_CADA_White_AlphaHD.png "Copenhagen Academy of Digital Arts")](https://cada-edu.com/) Toggle Menu - [Educations](https://cada-edu.com/educations) Toggle children for Educations Main Menu (Press to Return) \> Educations - [Certificate in 3D for Games](https://cada-edu.com/certificate-in-3d-for-games) - [Diploma / BA (Hons) Degree](https://cada-edu.com/3d-digital-artist) - [Courses](https://cada-edu.com/courses) Toggle children for Courses Main Menu (Press to Return) \> Courses - [Free 3D Bootcamp](https://cada-edu.com/3dbootcamp) - [3D Animation Essentials](https://cada-edu.com/3d-animation-essentials) - [3D Portfolio Essentials](https://cada-edu.com/3d-portfolio-essentials) - [Sculpting in ZBrush](https://cada-edu.com/sculpting-in-zbrush-course) - [Unreal Engine for Filmmaking](https://cada-edu.com/unreal-engine-filmmaking-virtual-production) - [Continuing Education](https://cada-edu.com/continuing-education) - [Contact Us](https://cada-edu.com/contact) - Resources Toggle children for Resources Main Menu (Press to Return) \> Resources - [News](https://cada-edu.com/news) - [Guides](https://cada-edu.com/guides) - [Book Meeting](https://meetings-eu1.hubspot.com/adam-mayes) - - [English](https://cada-edu.com/guides/3d-animation-pipeline) - [Danish](https://cada-edu.com/da/guides/3d-animation-pipeline) # 3D Animation Pipeline: Every Stage from Concept to Game Engine [mailto:?subject=3D%20Animation%20Pipeline%3A%20Every%20Stage%20from%20Concept%20to%20Game%20Engine&body=https%3A%2F%2Fcada-edu.com%2Fguides%2F3d-animation-pipeline](mailto:?subject=3D%20Animation%20Pipeline%3A%20Every%20Stage%20from%20Concept%20to%20Game%20Engine&body=https%3A%2F%2Fcada-edu.com%2Fguides%2F3d-animation-pipeline) A 3D animation pipeline is the ordered set of stages that takes an idea to a finished result, and the agreed way work passes from one person to the next. In games, that result is not a rendered film. It is an asset or a character that runs in a game engine, in real time, on the player's hardware. This guide walks through every stage of a 3D pipeline for games in the order studios actually work: pre-production, production, and the game-specific steps of export, LODs, in-engine set-up, testing and optimisation. It also explains who does each stage, how handoffs and naming keep things moving, what beginners get wrong, and how a film pipeline differs. ## What is a 3D pipeline? "3D pipeline" and "3D animation pipeline" are used for the same thing: the sequence of steps and the rules around them. The steps are the easy part. The rules are what make it a pipeline: file formats, naming, scale, folder structure, who approves what, and what "finished" means at each stage. A team with good art and no pipeline loses days to broken imports and files nobody can find. The order matters because each stage depends on the one before. You cannot skin a mesh that is still changing shape, and you cannot animate a character before it has a rig. Fix a problem where it starts; three stages later, it means redoing everything in between. Every stage below is a job someone does in a studio, and you will usually specialise in one or two. CADA's [Certificate in 3D for Games](https://cada-edu.com/certificate-in-3d-for-games) is built the same way: you try 3D Art, Tech Art, Animation and Procedural before choosing a specialisation, and each term ends in a team project where your work has to fit with your team's. ## Pre-production: decide before you build Pre-production is where the team works out what to make and proves it is worth making. ### Concept Concept artists explore the look of characters, props and environments through sketches, paintovers and mood boards. In games, concept also has to answer gameplay questions: how big is a doorway, how readable is an enemy at a distance, which silhouette tells the player what a character does. ### Design Game designers define what the player does: mechanics, abilities, level flow. This produces documents and lists that the art team works from, such as the moves a character needs or the props a level requires. For animators, the move list is the brief. ### Blockout and greybox A blockout (often called a greybox) is a rough 3D version made from simple shapes. Level designers greybox levels to test scale, routes and sightlines before any final art exists. Artists block out characters and props to check proportions and size against the player. If a level does not play well in grey boxes, beautiful art will not save it. ### Previs Previs (previsualisation) is rough animation used to plan action and camera, often built from a storyboard (a sequence of drawn panels) or an animatic (storyboard panels timed to sound). In games it is mostly used for cinematics and big scripted moments, so the team can agree timing and staging before animators and environment artists commit days of work. ![Stylised 3D render of a cartoon scientist firing a ray gun at a tentacled monster beside a glowing green portal](https://cada-edu.com/hs-fs/hubfs/Artwork/Posters/class18_MichaelDavidLarsen.png?width=1842&height=1080&name=class18_MichaelDavidLarsen.png) ## Production: building the assets Production is where final assets are made. These stages run in this order for each asset, though different assets are at different stages at the same time. ### Modelling Modellers build the final shape. Characters and organic forms usually start as a high-resolution sculpt, while hard-surface props are often modelled directly. The goal at this stage is the right shape and detail, matched to the concept and the blockout scale. ### Retopology A sculpt can have millions of polygons, far too many for a game. Retopology means building a clean, lighter mesh over the sculpt, with edge flow that deforms well where joints bend. For characters this is where many rigging problems are prevented or created, so get the topology around shoulders, elbows, knees and the face right. ### UVs UV unwrapping flattens the 3D surface into 2D so textures can be painted on it. Good UVs keep seams hidden, use the texture space efficiently and keep texel density consistent across assets, so nothing looks blurrier than its neighbour. Our guide to [UV mapping for games](https://cada-edu.com/guides/uv-mapping-for-games-how-to-uv-unwrap-a-model-in-blender) covers how to do it in Blender. ### Baking and texturing Baking transfers detail from the high-poly sculpt onto the low-poly mesh as texture maps, most importantly the normal map, which fakes small surface detail with lighting information. Texturing then adds colour, roughness and metal values so the surface reacts to light correctly in the engine. ### Rigging and skinning Rigging gives a model a skeleton of joints and a set of controls an animator can use. Skinning (also called weighting) decides how strongly each joint moves each part of the mesh. Rigging always comes before animation, and it needs a finished mesh: changing the topology after skinning usually means redoing the weights. Read our [rigging guide](https://cada-edu.com/guides/rigging) for the detail. ### Animation Animators bring the rigged character to life with keyframes, motion capture, or both. Motion capture records an actor's movement, which animators then clean up and adjust to fit the character. Game animation has its own constraints: cycles must loop, moves must blend into each other, and the player's input can interrupt anything. A jump that looks great but delays control for half a second will feel wrong to play. ### Effects Effects artists create fire, smoke, magic, impacts and destruction. In games these are real-time effects, built from particles, animated textures and shaders inside the engine, often with source simulations made in Houdini. They are timed to animation, so a sword trail or a footstep dust puff depends on the animator's timing being locked. ### Lighting Lighting sets mood, guides the player's eye and makes materials read correctly. In games it happens in the engine, on the assembled level, once environment art is in place. Lighting artists often start rough during greybox to set the mood, then finalise once art is in, because lighting a level with placeholder art means lighting it twice. ### Engine integration Integration is putting the asset into the engine and connecting it to the game: materials set up, collision added, animations hooked into the character's state machine, effects triggered on the right frame. This is where art meets code, and it is where technical artists earn their keep. ![Stylised 3D cartoon character with blue hair leaning towards the camera, composited over a photo of a street lined with shops](https://cada-edu.com/hs-fs/hubfs/Artwork/characterDesign/AntonHartfeltGorillazChar2.jpg?width=640&height=480&name=AntonHartfeltGorillazChar2.jpg) ## The game-specific stages A film pipeline ends with a render. A game pipeline ends with an asset that runs well, every frame, on the target hardware. That adds stages film never has. ### Export Assets leave Blender or Maya in an exchange format, most often FBX, with agreed settings for scale, axis orientation and units. Get these wrong and characters arrive in the engine a hundred times too big or lying on their backs. Studios fix export settings once and write them down, or use a tool that applies them automatically. ### LODs LODs (levels of detail) are simpler versions of a mesh that the engine swaps in as the object gets further from the camera. Engines can generate LODs automatically, but important assets often get hand-checked ones, because automatic reduction can wreck a silhouette. In Unreal Engine 5, Nanite scales detail automatically for most static meshes and removes most manual LOD work for them, but it targets desktop and console, so mobile games and other engines still rely on traditional LODs and polygon budgets. ### In-engine set-up Inside the engine, the asset is assembled into something the game can use: material instances, collision shapes, physics settings for cloth or hair, sockets for attaching weapons, and animation logic that decides which animation plays when. Each engine has its own tools for this, and studios add their own on top. ### Testing Every asset is tested in the game, not in a viewport. Does the character clip through walls? Does the run blend cleanly into the stop? Does the prop's collision match its shape? QA testers find problems, and artists fix them at the stage where they started. ### Optimisation Optimisation keeps the game at its target frame rate: cutting polygon counts and texture sizes, reducing material complexity, merging draw calls and trimming effects that cost too much. Plan budgets from the start so this is a tidy-up, not an emergency. ## Who does each stage in a game studio - **Concept artists**: concept and visual direction. - **Game and level designers**: design and greybox. - **3D artists** (character, environment or prop): modelling, retopology, UVs, baking and texturing. - **Technical artists and riggers**: rigging, skinning, export tools, in-engine set-up and much of the optimisation. - **Animators**: gameplay and cinematic animation, plus previs in some teams. - **VFX artists**: real-time effects. - **Lighting artists**: level lighting, often shared with environment artists in smaller studios. - **Producers and leads**: scheduling, priorities and approvals. ## Handoffs and naming conventions A pipeline breaks at the handoffs, not inside the stages. A good handoff means the next person can open your file and start work without asking you anything. In practice that means: - **Naming conventions**: every file, mesh, material, texture and joint follows an agreed pattern, such as a prefix for the type (SM\_ for static mesh, SK\_ for skeletal mesh, T\_ for texture), then the asset name and, for textures, a suffix for the map type (\_N for normal, \_D for diffuse). - **Agreed scale and orientation**: one unit system, one forward axis, one character height reference. - **Versioning**: work is saved in numbered versions or in version control, so nobody overwrites anyone else. - **Clear sign-off**: a lead approves each stage before the next begins, so problems do not travel downstream. ## What beginners get wrong - **Skipping the blockout.** They model in full detail first and find out the scale is wrong after the work is done. - **Rigging before the mesh is final.** Every later change to the model means redoing the skin weights. - **Judging work in the viewport.** An asset is only finished when it works in the engine, under game lighting, at game distance. - **Ignoring budgets.** A 200,000-polygon prop with no LODs or budget in mind is not a portfolio piece for a games job. Show you can hit a budget. - **Messy names and files.** Nobody hires someone whose files the team cannot use, however good the art is. ## How a film or linear animation pipeline differs If you are looking at 3D animation production for film or series, most of the stages above still apply: concept, modelling, texturing, rigging, animation, effects and lighting all happen, in the same order. The difference is the end. A film pipeline renders every frame offline, which can take minutes or hours per frame, then composites (combines rendered layers and effects into final images) and colour grades. Editorial and sound are not a final step: they run alongside production from the animatic onwards, and dialogue is recorded before animation starts. Film also works shot by shot, so layout and camera are locked early and animators only animate what the camera sees. Games cannot do that, because the player controls the camera, so every asset has to hold up from every angle and in real time. ## Start working through the pipeline If you are new to 3D, the free [Blender 3D Bootcamp](https://cada-edu.com/3dbootcamp) is the place to start. It is six live, one-hour online sessions over three weeks, starting in Blender and finishing in Unreal Engine, so you take a small scene from modelling into a game engine. Sessions are recorded, and you need no experience to join. If you are ready to commit, the [Certificate in 3D for Games](https://cada-edu.com/certificate-in-3d-for-games) is a 60-week online programme with recorded lectures, one live feedback session a week and software licences included. Each term ends in a team project: a walkable story environment, a playable level and a vertical slice, so you learn the handoffs by doing them. ## CADA ## Ready to Transform your Business with Little Effort Using Brightlane? [Register Now](https://www.example.com) You May Like These ## Related Articles ![](https://cada-edu.com/hs-fs/hubfs/animation_movement%20-%20cropped.png?width=700&name=animation_movement%20-%20cropped.png) ### [The 12 Principles of Animation, With Examples](https://cada-edu.com/guides/understanding-the-12-principles-of-animation) ![](https://cada-edu.com/hs-fs/hubfs/Imported_Blog_Media/gabrielBachmann_ganesha_actionPose.png?width=700&name=gabrielBachmann_ganesha_actionPose.png) ### [What Is 3D Animation? 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