Source

Code and Design Documentation

Reference documentation and diagrams about Blender's architecture and components, and projects under development.

Old but often still useful design documents can be found in the Wiki Archive.

General

• File Structure
• Context
• Transform
• Extensible Architecture Proposal
• Dependency Graph
• Blender Projects

Data Management, Import/Export

• IDs & ID Management
• IDProperties
• DNA
• RNA

• .blend File Read/Write
  • Libraries & Link/Append

• Asset System
• Overrides
  • Library Overrides

• Undo System(s)
  • Global Undo
  • Edit Undo
  • Sculpt Undo

• Alembic
• Universal Scene Description

Modeling

• BMesh Design

Animation & Rigging

• Module-specific page for Animation & Rigging

Rendering

• Cycles
• Color Management

User Interface

• Internationalization
• Experimental Features
• Virtual Reality
• Operators
• Icons
• Views
• Editors
• Window Manager
• Windows
• Screens
• Text Output
• Outliner
• Preferences & Defaults

Technical documentation ToDos: T104114

Sculpt, Paint, Texture

Technical documentation ToDos: T104113

• PBVH

EEVEE & Viewport

For a quick overview for new developers to the module check the on-boarding video .

• GPU Module Overview
• Draw Module Overview
• Color Management Drawing Pipeline
• EEVEE
• Workbench
• Overlay
• External
• Selection
• UV Image Editor

Objects

• Mesh Object
• Volume Object
• Point Cloud Object
• Curves Object
• Geometry Sets
• Instances
• Attributes

Nodes & Physics

• Viewer Node
• Modifier Nodes
• Spreadsheet Editor
• Fields
• Anonymous Attributes
• Fluid system - Mantaflow
• Rigid body - Bullet
• Cloth
• Caching system

VFX & Video

• Video Sequencer Editor
• Compositor
• Realtime Compositor
• Motion Tracking

Library Dependencies

• OpenXR-SDK