Bittle URDF Model — Import into ARMOR for iPhone, iPad & Mac

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91 files 37.2 MB download

Opens in the ARMOR app on iPhone, iPad, or Mac. Don’t have it yet? Get ARMOR.

Bittle is Petoi’s agile, palm-sized robot dog — a fully 3D-printable, open-source quadruped designed to feel like a scaled-down version of the dynamic four-legged robots research labs build, aimed at STEM education, coding practice, and AI-robotics experimentation rather than being a sealed-up toy. It launched via a Kickstarter that raised over $500,000, and Petoi has since shipped more than 15,000 robots worldwide across its product line.

The mechanism

Nine actuated joints: two per leg (a shoulder and a shank joint) across all four legs, plus one neck joint — matching Petoi’s own published “9 DOF” spec for this platform exactly. No mimic joints or closed kinematic loops; every one of the nine is a real, independently driven servo.

About this file — read before importing

This links directly to ros_opencat, hosted under Petoi’s own GitHub organization. ARMOR links directly to that repository rather than re-hosting anything, so what you get is exactly what’s published there, unmodified.

License & attribution

Source code

MIT

Model & mesh files

MIT

Attribution

ros_opencat (Petoi) — MIT License, per the repository's own LICENSE file. The bittle_description package's own package.xml has an uninformative "TODO" license placeholder; the repo-root LICENSE is treated as authoritative, per this gallery's standard approach to that pattern.

ARMOR does not host or redistribute this model. Choosing “Open in ARMOR” downloads the files directly from Petoi’s own repository, unmodified. Your use of the model is governed by the license above.

Read the full license →

ARMOR is an independent tool published by DCDC LLC. It is not affiliated with, sponsored by, or endorsed by Petoi LLC. "Bittle" and "Petoi" are used here only to identify the robot this file describes. This model is downloaded directly from Petoi's own repository under the MIT License, which you accept by downloading. This description is a community-contributed ROS integration hosted under Petoi's own GitHub organization, not necessarily an official first-party CAD export — cross-check it against Petoi's own published specifications before relying on it for anything beyond visualization.