articulated-boxes / README.md
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metadata
license: cc-by-4.0
pretty_name: projectsim Articulated Boxes
task_categories:
  - robotics
size_categories:
  - n<1K
tags:
  - robotics
  - simulation
  - 3d
  - usd
  - blender
  - isaac-sim
  - articulated
  - articulated-objects
  - sim-ready
  - synthetic
  - warehouse
  - digital-twin
configs:
  - config_name: default
    data_files: index.parquet

projectsim Articulated Boxes

Made with the projectsim API — every asset here was generated by our API. Generate your own.

projectsim Lab — boxes live in the browser
Create your own via the projectsim API Open in HF Spaces

Try it before you download. Open the Boxes tab in projectsim Lab, fold every flap, then copy the API call that generates a set like it.

10 articulated boxes opening their flaps

projectsim by Kaedim — sim-ready 3D assets for robot learning. Open in your engine in one paste.

Ten articulated cardboard shipping boxes (RSC four-flap cartons). Every box is a reduced-coordinate articulation — four flap hinges with real limits — with per-link mass and inertia from exact mesh integrals, per-zone physics materials (cardboard, tape), 4K AI textures, and MuJoCo-certified joints. Made with projectsim by Kaedim: projectsim.ai

Quickstart

Blender (macOS; elsewhere replace the last line with blender <file>.blend):

mkdir -p "$PWD/projectsim-assets"
cd "$PWD/projectsim-assets"

curl --fail --location --progress-bar \
  "https://huggingface.co/datasets/projectsim/articulated-boxes/resolve/main/boxes/cardboard_box_0001/cardboard_box_0001.blend?download=true" \
  --output cardboard_box_0001.blend

open -a Blender cardboard_box_0001.blend

Isaac Sim / any USD app: download a box's *_usd.zip, unzip, open cardboard_box_NNNN_scene.usda and press Play — it carries a PhysicsScene and a ground plane. cardboard_box_NNNN.usda is the bare asset for referencing into your own stage (Z-up, meters, defaultPrim on the asset root).

The boxes

id size (m) mass (kg) joints flap limits Blender USD
cardboard_box_0001 0.40 × 0.30 × 0.31 0.37 4 0–120° .blend .zip
cardboard_box_0002 0.25 × 0.20 × 0.16 0.11 4 0–120° .blend .zip
cardboard_box_0003 0.32 × 0.24 × 0.50 0.39 4 0–120° .blend .zip
cardboard_box_0004 0.45 × 0.29 × 0.13 0.32 4 0–120° .blend .zip
cardboard_box_0005 0.55 × 0.35 × 0.20 0.56 4 0–120° .blend .zip
cardboard_box_0006 0.59 × 0.35 × 0.21 0.38 4 0–120° .blend .zip
cardboard_box_0007 0.52 × 0.34 × 0.42 0.55 4 0–120° .blend .zip
cardboard_box_0008 0.51 × 0.40 × 0.32 0.65 4 0–120° .blend .zip
cardboard_box_0009 0.49 × 0.22 × 0.44 0.51 4 0–120° .blend .zip
cardboard_box_0010 0.45 × 0.27 × 0.42 0.54 4 0–120° .blend .zip

What is in each box folder

boxes/cardboard_box_NNNN/
  cardboard_box_NNNN.blend      Blender file, textures packed
  cardboard_box_NNNN_usd.zip    cardboard_box_NNNN/ with the asset .usda,
                                textures/, and a play-ready *_scene.usda
  manifest.json                 dims, mass, tris, per-joint limits, provenance
  thumb.png                     512 px render

The USD authors ArticulationRootAPI on the asset root, RigidBodyAPI + MassAPI per link (mass/CoM/inertia from exact signed mesh integrals), UsdPhysics revolute joints with limits in degrees and viscous damping, and one UsdPhysics material per zone bound to each link's collider. Colliders are convex hulls / SDF meshes chosen per link geometry. Texture paths are relative; no absolute or Nucleus paths.

Manifest

See manifest.example.json for the schema. Every box carries its source_variant — the generator's variant id — so any box can be traced, re-posed, re-textured, or re-exported on request.

Generate your own

This dataset is sample output from the projectsim pipeline. For sim-ready assets of your objects, use the projectsim API:

  • Standard asset - one image in, a sim-ready asset out
  • Measured asset - mm-accurate, from a ChArUco-board capture
  • Variation sets - procedural or high-fidelity families from a single object

Self-serve: get an API token and order your first set in minutes. Need 1,000–10,000 assets of a category? Request a larger dataset →

License

CC-BY-4.0. projectsim by Kaedim.