{ "physics": { "articulation": { "schema_version": "articulation/2", "root_link": "bracket", "base_mode": "free", "world_joint": null, "behavior_sleep_threshold": null, "handoff_base_mode": "free", "base_mode_source": "handoff", "collision_filter": { "mode": "adjacent", "explicit_excluded_link_pairs": [], "handoff_excluded_link_pairs": [], "excluded_link_pairs": [], "representation": "UsdPhysics.FilteredPairsAPI plus joint collisionEnabled", "external_contacts": "enabled", "other_engine_validation": "not_run" }, "collider_aggregation": "link", "joint_count": 0, "joint_types": {}, "axis_rule": "physics:axis X; both joint frames rotated by the quaternion mapping +X onto the contract axis", "links": { "bracket": { "prim": "/angle_bracket_long/bracket", "mass_kg": 0.1188, "mass_source": "metal_steel density 7850 kg/m^3 x 0.00002 m^3", "colliders": 1, "collision": [ { "prim": "/angle_bracket_long/bracket/Collisions/link_collision", "approximation": "convexDecomposition", "basis": "planar", "source_mesh_count": 1, "source_meshes": [ "/angle_bracket_long/bracket/bracket__visual_000/formed_sheet_mesh_001" ], "aggregation": "link", "boolean_union": false, "cooked_shape_count": null } ] } }, "joints": {}, "preview_controls": [], "reference_pose": {}, "provenance": { "base_mode_reason": "Loose mounting bracket shown without fasteners or an attached world surface; the formed bend is rigid.", "base_mode_source": "author_explicit", "contract_revision": "2.0", "producer": "articulated-asset-generation", "producer_version": "0.1.0" } }, "mass_kg": 0.1188, "colliders": 1, "status": "articulated_body", "material_class": "metal_steel", "engine": "physx", "multipart_physx": false, "static_friction": 0.6, "dynamic_friction": 0.45, "restitution": 0.25, "friction_model": "legacy", "friction_convention": "pair_value_on_steel_dry", "dynamic_friction_source": "material_table", "dynamic_friction_convention": "pair_value_on_steel_dry" } }