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VTube Pro
Early beta · coming soon

Guide 06 · 7 min read

Make an avatar in the studio

Import any model, describe one for the AI, fix eyes and mouth, add costumes and set real size.

This guide is for anyone who wants a character on stream without learning 3D software. Everything here happens inside the VTube Pro studio. If you want to build a model by hand in Blender, VRoid Studio or another 3D program, read Build an avatar by hand instead.

You can open this guide from the studio: press ? (top right) and pick Guides.


The three ways to get an avatar

WayBest forWhat you need
A. Import a model you already haveVRoid Studio characters, models you bought or downloaded, anything made in BlenderThe model file (.vrm, .glb, .fbx, .obj, .blend …)
B. Describe it and let the AI make it"I have an idea but no model"Blender (free) and an AI key (Claude, GPT or Grok)
C. Use a sample avatarTrying the app outNothing: they come with VTube Pro

The best-looking result for anime characters is still VRoid Studio (free) → export VRM → import (way A).


A. Import a model you already have

  1. Open Me (or Create → 1 · Bring your own model).
  2. Drag your file onto the box that says Add your own model / Import a model, or click the box and choose it.
  3. A window opens: "We'll check your model's rigging." Read it and click Import and check.
    • Rigging means the invisible skeleton that lets your avatar move. VTube Pro checks for it on every import.
  4. After a few seconds (big models take a minute) you see a check list. Each line has a colour:
    • green ✓ = good, nothing to do
    • yellow ! = works, but something is limited (read the line)
    • red ✕ = missing (the buttons below the list can fix most of these)
  5. Pick one of the buttons at the bottom:
    • Re-rig with Blender: VTube Pro gives the model a proper skeleton on your PC (about 20 seconds to a few minutes). Use this when the list says "No tracking skeleton" or "Soft rig only".
    • Set up the face: opens the face tools, where VTube Pro adds eyes and a mouth that follow yours. Use this when the list says "No face shapes".
    • Use as is (limited tracking): keep it exactly as it is. Your head and body still move; arms, fingers or facial expressions may not.
  6. Your avatar is now on screen. It is saved in your avatar list, so next time just click its picture in Me.

Which files work?

FileWorks?Notes
.vrm (VRoid Studio, VRM 0 and VRM 1)✓ bestFace, eyes, hair physics and expressions all work right away
.glb / .gltf✓A .gltf must be a single file (no separate .bin or textures). If you have a folder, export .glb instead
.fbx✓ with BlenderConverted automatically. Mixamo / Unity / Unreal characters are fine
.obj✓ with BlenderShape only; the colours in a separate .mtl file are not brought along. For colours, open it in Blender and export .glb
.blend✓ with BlenderYour Blender file, as saved
.dae, .stl, .ply, .usd / .usdz / .usda / .usdc, .abc✓ with BlenderConverted; results vary (.stl / .ply have no colours; .dae needs a Blender version that still reads it)

"With Blender" means Blender (free) must be installed on this PC. If it is not, the import window shows an Install Blender button (it opens the official installer in a window you can watch) and a download link. After installing, click Check again.

Any style is fine

Anime, realistic, cartoon, chibi, animals, robots, blobs, a talking pizza: VTube Pro takes any shape. What matters is whether the model has a skeleton and face shapes. The check tells you, and the buttons fix what they can.


B. Describe it and let the AI make it

  1. Open Create.
  2. In 2 · Describe your character (AI), type what they look like, e.g. "a sleepy purple cat wizard with a big star hat and a cozy hoodie".
  3. Pick one or more Style buttons (Anime, Cute / chibi, Animal mascot, Robot, Fantasy, Monster).
  4. Optional: add reference pictures (drawings, a character sheet, screenshots).
  5. Click Create my character. It takes a few minutes. You can keep using the studio.
  6. When it says "Your character is ready", it is on screen and saved to your avatars.
  7. Next: place its eyes and mouth under Me → Fine-tune → Face (the toast tells you).

If the button is greyed out, a yellow banner tells you what is missing (Blender or an AI key) with a Set it up button.

More AI builders (Tripo, Meshy, local AI 3D, refine rounds): Create → Advanced.


Outfits and accessories

  • Change outfit: Me → Outfit, click a picture. While streaming: Ctrl+1 … Ctrl+9 (Ctrl+0 = default look).
  • Accessories (hats, glasses, props) are switches under the outfits. Several can be on at once.
  • Make a new outfit with AI: Create → 3 · Make an outfit (or Me → Make an outfit). Describe the clothes; the AI tailors and fits them to the avatar you are wearing.
  • Add an outfit file you made yourself: Me → Advanced → Wardrobe → Import (a .glb costume). How to build one: Build an avatar by hand, section 9.

Real size (tiny fairies, giant robots)

Everyone human-sized is shown the same height in rooms. If your character is much smaller or bigger than a person:

  1. Me → 📏 Real size.
  2. Enter the character's real height (for example 0.3 m for a fairy, 5 m for a giant).
  3. In rooms, tiny characters sit on tables and desks; giants stand at the back.

The same card shows your model's triangle count for parties. Parties show your real model up to 200,000 triangles (the host can lower that; 37,000 or less is safe in any party). Heavier models are shared as an automatic lighter party version (preview it on the same card). Solo, any size works.


Calibrate and test

  1. Look straight at the camera with a relaxed face and press C (or Go live → Calibrate my face (C)). Do this again whenever you change seat, glasses or lighting. For the best result run the guided ~45 s personal test once (Tracking → Advanced): it learns your neutral face, expressions and how you talk, for every avatar.
  2. Test expressions without the camera: Me → Try your expressions (or keys 1 … 9).
  3. Test lip sync: turn your mic on (Tracking), read a sentence out loud and watch the mouth. The mouth follows your voice even when your face is turned away.
  4. Emotes (waves, dances): Me → Emotes (only for avatars with a full skeleton).
  5. Camera: Me → Camera framing (Head, Head & shoulders, Full body). F re-frames.

If something looks wrong

What you seeWhat to do
The avatar is lying down, upside down or facing awayMe → Advanced → Avatars → Loaded model → Transform: rotate it. Or re-export from your 3D program with "Y up" / "+Z forward"
It is huge or tiny on screenThat is only framing: press F. In rooms, sizes are corrected automatically. For a truly tiny / huge character use Real size
Arms don't moveThe model has no arm bones (the check says "Soft rig only"). Click Re-rig with Blender, or Me → Advanced → Body → Improve rig with Blender
One arm or leg doesn't moveThe bone names are unusual. See Build an avatar by hand, section 3 or re-rig with Blender
The mouth doesn't open / eyes don't blinkThe model has no face shapes. Me → Fine-tune → Face adds a drawn mouth and eyes you place with two clicks
Import failed: "Blender not found"Install Blender (the button in the import window) and try again
Import failed: "references external .bin/texture files"Your .gltf is split into several files. Export .glb instead
Colours are missing after an .obj import.obj colours live in a separate .mtl file. Open it in Blender, then File → Export → glTF (.glb) and import that
It looks grey or flatMe → Material style has looks like felt, plush, clay, fur; Advanced → Face / Wardrobe has the toon settings
The studio got slow after importingVery heavy models (hundreds of thousands of triangles) cost GPU. Decimate in Blender or keep it for solo streams

Still stuck? Press ? → Run the first-time setup, or give the file and this page to any AI helper (AI connectors).