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1. The spritesheet just downloaded (transparent, 1536 x 1872).
2. In ChatGPT on the web, choose the pet upload and pick that file.
- Edition
- -
- Folder
- -
- Atlas
- 1536 x 1872, 8 x 9 cells
- Cell
- 192 x 208
- Frames
- 57 across 9 rows
- Works in
- Codex, ChatGPT, and through OpenPets in Claude Code, Cursor, OpenCode, Gemini CLI
INSTALL
One line, then restart the agent.
Terminal
curl -fsSL https://3ps.online/pets/install.sh | sh -s -- <id>Downloads the zip and unzips it into ~/.codex/pets/<id>/. Needs curl and unzip. Add --dir <path> for another folder. By hand: unzip -o <id>.zip -d ~/.codex/pets/
PowerShell
& ([scriptblock]::Create((irm https://3ps.online/pets/install.ps1))) <id>Downloads the zip and expands it into %USERPROFILE%\.codex\pets\<id>\. Add -Dir <path> for another folder. By hand: Expand-Archive <id>.zip -DestinationPath "$env:USERPROFILE\.codex\pets\" -Force
- Run the line above. It downloads the pack and puts the folder where the agent reads it.
- Restart the agent. Codex: Settings, Appearance, Pets, then pick it. CLI:
/pets <id>. - ChatGPT on the web instead? Personalization, Pets, upload
spritesheet.webpfrom the zip. It takes a transparent PNG or WebP at exactly 1536 x 1872, under 20 MiB, which this is.
Claude Code, Cursor, OpenCode or Gemini CLI: the same folder works through OpenPets. The install guide has the details.
Hatch your own.
A style, a character, one detail. About two minutes, free.