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How Auto Rigging Works

An automated pipeline for preparing 3D models: the user uploads a model and receives a production-ready character. The system performs all technical steps — from initial normalization and body part detection to rigging, skinning, animation preparation, and final export, including Unity HDRP package and realistic video preview.

What Is This Product

The pipeline is designed for batch processing and repeatable results: it removes the need for users to understand the technical details of rigging and engine assembly, turning model upload into a simple "input → ready output" service.

Upload your model and get a fully prepared character ready for production use.

Supported Formats

FBX OBJ GLB

The system automatically recognizes the format, correctly imports it, and brings it to a unified working state so that further stages are performed stably and identically.

Automatic Body Marker Detection (OpenPose)

One of the key elements of quality is automatic detection of character reference points using OpenPose. The system can work with up to 137 markers:

25
Body markers (core kinematics)
42
Hand markers (21 per hand)
70
Face markers (head/face binding)

Automatic detection works best on humanoid forms (characters with familiar anatomy): in this case, the pipeline most confidently determines limbs, hands, and proportions, which directly improves the quality of subsequent rigging and deformations.

Automatic Model Preparation for Correct T-Pose

For the automatic rig to be created correctly and produce predictable deformations, the pipeline prepares the model and brings it to a technically correct state:

  • Model orientation: normalization of "forward/up" direction, bringing to correct position relative to scene axes so that rigging, animations, and engine export work without surprises.
  • Scale and unit auto-check: the system verifies correct scale and brings the model to expected units so the character has the right size, animations don't look "sped up/slowed down" due to scale.
  • Leg and arm position correction: adjusting the pose toward cleaner T-pose logic. Important for stable joint detection, correct segment lengths, and quality skinning.
  • Finger detection and preparation: separate work with hands to improve finger rig accuracy and reduce deformation artifacts during animation.

Result: the model becomes "ready for rigging": correctly oriented, at the right scale, and in a pose suitable for automatic skeleton construction.

AI-Powered Skeleton Creation & Automatic Skinning

After preparation, the pipeline automatically performs the key technical part:

🦴 Skeleton Creation

A bone structure is formed for the main body parts (spine, legs, arms, head), with correct connections and hierarchy.

⚡ Automatic Skinning

Vertex weights are distributed across bones so that when the skeleton moves, the model deforms naturally without "breaking".

This transforms a static model into a fully animatable character without manual routine work.

Animations & Control Rig: Two Directions

The pipeline delivers results in two forms to cover different workflows:

🎬 Baked Animations

Ready for import into game engines. Convenient format for game project integration: clips play back stably and predictably.

🎮 Control Rig (.blend)

Fully suitable for manual animation in Blender. Important if you need to manually adjust pose/movement, create unique animation for a task, or quickly make artistic edits without rebuilding the entire pipeline.

The system supports both the "production" path (engines) and the "artistic" path (manual animation).

Unity HDRP Export: Turnkey unitypackage

For Unity, the pipeline creates a unitypackage ready for use in Unity HDRP projects:

  • Model and animations prepared for correct import
  • Materials and textures brought to HDRP-render compatible form
  • Result is convenient to connect to projects without manual assembly and lengthy setup

This reduces integration time and decreases typical errors when transferring a character to Unity.

Realistic Result Visualization (Video)

After assembly, the system automatically creates a realistic video:

  • Shows the final character appearance with correct lighting and materials
  • Shows how the rig and deformations work in motion
  • Quick quality assessment without manual scene and render setup

Video serves as quick quality control of the final assembly: it's clear what came out "at the output" and where refinement is needed if necessary.

Roadmap (Coming Soon)

🔄 Automatic retopology to target polygon count
🎬 Selection and application of specific animation to processed model
🎮 Automatic export to Unreal and other game engines

Ready to Rig Your Character?

Upload GLB/FBX/OBJ and get production-ready results in minutes.

Start Auto Rigging Now