diff --git a/dexhand021_left/cfgs/__init__.py b/dexhand021_left/cfgs/__init__.py
deleted file mode 100644
index ea187650abb6b1e7dd30bd511138220b206c7a92..0000000000000000000000000000000000000000
--- a/dexhand021_left/cfgs/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-"""Robot configuration files."""
diff --git a/dexhand021_left/cfgs/dexhand021_left_base_cfg.py b/dexhand021_left/cfgs/dexhand021_left_base_cfg.py
deleted file mode 100644
index 92332122ecdbab59ba5524aa4c5f2c06a97c6ef0..0000000000000000000000000000000000000000
--- a/dexhand021_left/cfgs/dexhand021_left_base_cfg.py
+++ /dev/null
@@ -1,175 +0,0 @@
-from __future__ import annotations
-
-from pathlib import Path
-from typing import Literal
-
-from metasim.scenario.robot import BaseActuatorCfg, RobotCfg
-from metasim.utils import configclass
-
-
-@configclass
-class Dexhand021LeftBaseCfg(RobotCfg):
- """Base configuration for Dexhand021Left robot.
-
- This is a base configuration class that should be inherited by specific variants.
- Auto-generated from URDF - customize actuator parameters and joint configurations as needed.
- """
-
- # Path resolution (resolved from config file location)
- _cfg_dir = Path(__file__).parent
-
- name: str = "dexhand021_left"
- fix_base_link: bool = False # Dexterous hands typically have free base
-
- # Model variant selection
- model_variant: Literal["original", "collision_convex", "full_convex"] = "collision_convex"
- """
- Select which model version to use for simulation:
- - "original": Original mesh models (highest visual quality, slowest simulation)
- - "collision_convex": Convex hull for collision, original for visual (balanced)
- - "full_convex": Convex hull for all meshes (fastest simulation, lower visual quality)
- """
-
- def __post_init__(self):
- super().__post_init__()
-
- # Compute paths based on model_variant
- base_name = "dexhand021_left"
-
- if self.model_variant == "original":
- self.urdf_path = str(self._cfg_dir / f"../urdf/{base_name}.urdf")
- self.usd_path = str(self._cfg_dir / f"../usd/{base_name}.usd")
- self.mjcf_path = str(self._cfg_dir / f"../mjcf/{base_name}.xml")
- elif self.model_variant == "collision_convex":
- self.urdf_path = str(self._cfg_dir / f"../urdf/{base_name}_collision.urdf")
- self.usd_path = str(self._cfg_dir / f"../usd/{base_name}_collision.usd")
- self.mjcf_path = str(self._cfg_dir / f"../mjcf/{base_name}_collision.xml")
- elif self.model_variant == "full_convex":
- self.urdf_path = str(self._cfg_dir / f"../urdf/{base_name}_full_convex.urdf")
- self.usd_path = str(self._cfg_dir / f"../usd/{base_name}_full_convex.usd")
- self.mjcf_path = str(self._cfg_dir / f"../mjcf/{base_name}_full_convex.xml")
- else:
- raise ValueError(f"Invalid model_variant: {self.model_variant}")
-
- # Physical properties
- enabled_gravity: bool = True
-
- # ==================== Actuator Configuration ====================
- actuators: dict[str, BaseActuatorCfg] = {
- "ARTx": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "ARTy": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "ARTz": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "ARRx": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "ARRy": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "ARRz": BaseActuatorCfg(stiffness=100.0, damping=0.0, torque_limit=1000.0, velocity_limit=10.0), # Default stiffness
- "l_f_joint1_1": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint1_2": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint1_3": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint1_4": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint2_1": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint2_2": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint2_3": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint2_4": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint3_1": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint3_2": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint3_3": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint3_4": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint4_1": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint4_2": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint4_3": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint4_4": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint5_1": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint5_2": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint5_3": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- "l_f_joint5_4": BaseActuatorCfg(stiffness=100.0, damping=0.3, torque_limit=10.0, velocity_limit=1.5),
- }
-
- # ==================== Joint Limits ====================
- joint_limits: dict[str, tuple[float, float]] = {
- "ARTx": (-10.0, 10.0),
- "ARTy": (-10.0, 10.0),
- "ARTz": (-10.0, 10.0),
- "ARRx": (-3.14159, 3.14159),
- "ARRy": (-3.14159, 3.14159),
- "ARRz": (-3.14159, 3.14159),
- "l_f_joint1_1": (0.0, 2.2),
- "l_f_joint1_2": (0.0, 1.3),
- "l_f_joint1_3": (0.0, 1.3),
- "l_f_joint1_4": (0.0, 1.3),
- "l_f_joint2_1": (0.0, 0.6),
- "l_f_joint2_2": (0.0, 1.3),
- "l_f_joint2_3": (0.0, 1.3),
- "l_f_joint2_4": (0.0, 1.3),
- "l_f_joint3_1": (-0.001, 0.001),
- "l_f_joint3_2": (0.0, 1.3),
- "l_f_joint3_3": (0.0, 1.3),
- "l_f_joint3_4": (0.0, 1.3),
- "l_f_joint4_1": (0.0, 0.6),
- "l_f_joint4_2": (0.0, 1.3),
- "l_f_joint4_3": (0.0, 1.3),
- "l_f_joint4_4": (0.0, 1.3),
- "l_f_joint5_1": (0.0, 0.6),
- "l_f_joint5_2": (0.0, 1.3),
- "l_f_joint5_3": (0.0, 1.3),
- "l_f_joint5_4": (0.0, 1.3),
- }
-
- # ==================== Control Types ====================
- control_type: dict[str, Literal["position", "effort"]] = {
- "ARTx": "position", # Default control type
- "ARTy": "position", # Default control type
- "ARTz": "position", # Default control type
- "ARRx": "position", # Default control type
- "ARRy": "position", # Default control type
- "ARRz": "position", # Default control type
- "l_f_joint1_1": "position", # Default control type
- "l_f_joint1_2": "position", # Default control type
- "l_f_joint1_3": "position", # Default control type
- "l_f_joint1_4": "position", # Default control type
- "l_f_joint2_1": "position", # Default control type
- "l_f_joint2_2": "position", # Default control type
- "l_f_joint2_3": "position", # Default control type
- "l_f_joint2_4": "position", # Default control type
- "l_f_joint3_1": "position", # Default control type
- "l_f_joint3_2": "position", # Default control type
- "l_f_joint3_3": "position", # Default control type
- "l_f_joint3_4": "position", # Default control type
- "l_f_joint4_1": "position", # Default control type
- "l_f_joint4_2": "position", # Default control type
- "l_f_joint4_3": "position", # Default control type
- "l_f_joint4_4": "position", # Default control type
- "l_f_joint5_1": "position", # Default control type
- "l_f_joint5_2": "position", # Default control type
- "l_f_joint5_3": "position", # Default control type
- "l_f_joint5_4": "position", # Default control type
- }
-
- # ==================== Default Joint Positions ====================
- default_joint_positions: dict[str, float] = {
- "ARTx": 0.0, # Default position
- "ARTy": 0.0, # Default position
- "ARTz": 0.0, # Default position
- "ARRx": 0.0, # Default position
- "ARRy": 0.0, # Default position
- "ARRz": 0.0, # Default position
- "l_f_joint1_1": 0.0, # Default position
- "l_f_joint1_2": 0.0, # Default position
- "l_f_joint1_3": 0.0, # Default position
- "l_f_joint1_4": 0.0, # Default position
- "l_f_joint2_1": 0.0, # Default position
- "l_f_joint2_2": 0.0, # Default position
- "l_f_joint2_3": 0.0, # Default position
- "l_f_joint2_4": 0.0, # Default position
- "l_f_joint3_1": 0.0, # Default position
- "l_f_joint3_2": 0.0, # Default position
- "l_f_joint3_3": 0.0, # Default position
- "l_f_joint3_4": 0.0, # Default position
- "l_f_joint4_1": 0.0, # Default position
- "l_f_joint4_2": 0.0, # Default position
- "l_f_joint4_3": 0.0, # Default position
- "l_f_joint4_4": 0.0, # Default position
- "l_f_joint5_1": 0.0, # Default position
- "l_f_joint5_2": 0.0, # Default position
- "l_f_joint5_3": 0.0, # Default position
- "l_f_joint5_4": 0.0, # Default position
- }
diff --git a/dexhand021_left/cfgs/dexhand021_left_cfg.py b/dexhand021_left/cfgs/dexhand021_left_cfg.py
deleted file mode 100644
index f25eaec9f79f54cbd2ffdd20c252552b06e30351..0000000000000000000000000000000000000000
--- a/dexhand021_left/cfgs/dexhand021_left_cfg.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from __future__ import annotations
-
-from dexhand021_left_base_cfg import Dexhand021LeftBaseCfg
-from metasim.utils import configclass
-
-
-@configclass
-class Dexhand021LeftCfg(Dexhand021LeftBaseCfg):
- """Configuration for DexHand021 Left Hand - Simplified version.
-
- Inherits from Dexhand021LeftBaseCfg.
- Auto-generated configuration file.
- """
-
- # Override or extend base configuration here if needed
diff --git a/dexhand021_left/meshes/dexhand021_simplified/l_f_link1_1.STL b/dexhand021_left/meshes/dexhand021_simplified/l_f_link1_1.STL
deleted file mode 100644
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--- a/dexhand021_left/meshes/dexhand021_simplified/l_f_link1_1.STL
+++ /dev/null
@@ -1,3 +0,0 @@
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-size 178484
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diff --git a/dexhand021_left/mjcf/dexhand021_left_collision.xml b/dexhand021_left/mjcf/dexhand021_left_collision.xml
deleted file mode 100644
index 9bd6ead7916bbf5a12da1bc09387ba2312e9acf9..0000000000000000000000000000000000000000
--- a/dexhand021_left/mjcf/dexhand021_left_collision.xml
+++ /dev/null
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diff --git a/dexhand021_left/mjcf/dexhand021_left_full_convex.xml b/dexhand021_left/mjcf/dexhand021_left_full_convex.xml
deleted file mode 100644
index 4bfcbb6e0d436d58067be716c234dad39defaea1..0000000000000000000000000000000000000000
--- a/dexhand021_left/mjcf/dexhand021_left_full_convex.xml
+++ /dev/null
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diff --git a/dexhand021_left/urdf/dexhand021_left.urdf b/dexhand021_left/urdf/dexhand021_left.urdf
deleted file mode 100644
index 9ab406f606fd4245c64f27e8822edb55d66b837b..0000000000000000000000000000000000000000
--- a/dexhand021_left/urdf/dexhand021_left.urdf
+++ /dev/null
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diff --git a/dexhand021_left/urdf/dexhand021_left_collision.urdf b/dexhand021_left/urdf/dexhand021_left_collision.urdf
deleted file mode 100644
index 49114333be5c6d438e4dc5f9974f143e79d83687..0000000000000000000000000000000000000000
--- a/dexhand021_left/urdf/dexhand021_left_collision.urdf
+++ /dev/null
@@ -1,988 +0,0 @@
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diff --git a/dexhand021_left/urdf/dexhand021_left_full_convex.urdf b/dexhand021_left/urdf/dexhand021_left_full_convex.urdf
deleted file mode 100644
index fa8df0f403b8ca7c07c63611e9b01c0d1c33eb02..0000000000000000000000000000000000000000
--- a/dexhand021_left/urdf/dexhand021_left_full_convex.urdf
+++ /dev/null
@@ -1,988 +0,0 @@
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diff --git a/dexhand021_left/usd/.asset_hash b/dexhand021_left/usd/.asset_hash
deleted file mode 100644
index 9acf5016a9b467ab61b61735f3cdcc931c5d5954..0000000000000000000000000000000000000000
--- a/dexhand021_left/usd/.asset_hash
+++ /dev/null
@@ -1 +0,0 @@
-805568d945537427ec5405d282b47096
\ No newline at end of file
diff --git a/dexhand021_left/usd/config.yaml b/dexhand021_left/usd/config.yaml
deleted file mode 100644
index 1b1111fecf3f036e422cbb95046e6d0dfa73eba7..0000000000000000000000000000000000000000
--- a/dexhand021_left/usd/config.yaml
+++ /dev/null
@@ -1,23 +0,0 @@
-asset_path: /home/ylang/urdf_conv/dexrobot_sim_assets/dexhand021_left/urdf/dexhand021_left_full_convex.urdf
-usd_dir: /home/ylang/urdf_conv/dexrobot_sim_assets/dexhand021_left/usd
-usd_file_name: dexhand021_left_full_convex.usd
-force_usd_conversion: true
-make_instanceable: true
-fix_base: false
-root_link_name: null
-link_density: 0.0
-merge_fixed_joints: false
-convert_mimic_joints_to_normal_joints: false
-joint_drive:
- drive_type: force
- target_type: position
- gains:
- stiffness: 100.0
- damping: 1.0
-collider_type: convex_hull
-self_collision: false
-replace_cylinders_with_capsules: false
-collision_from_visuals: false
-##
-# Generated by UrdfConverter on 2026-01-21 at 08:42:55.
-##
diff --git a/dexhand021_left/usd/configuration/dexhand021_left_base.usd b/dexhand021_left/usd/configuration/dexhand021_left_base.usd
deleted file mode 100644
index f87f39eb2eaf55ef9443e9c7e5825a830cfb04fb..0000000000000000000000000000000000000000
--- a/dexhand021_left/usd/configuration/dexhand021_left_base.usd
+++ /dev/null
@@ -1,3 +0,0 @@
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index e3efc8a1d6e38b82c79789a72f7892129daf7993..0000000000000000000000000000000000000000
--- a/dexhand021_left/usd/configuration/dexhand021_left_collision_base.usd
+++ /dev/null
@@ -1,3 +0,0 @@
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deleted file mode 100644
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diff --git a/dexhand021_left/usd/configuration/dexhand021_left_full_convex_base.usd b/dexhand021_left/usd/configuration/dexhand021_left_full_convex_base.usd
deleted file mode 100644
index 235bea69275e9711933ec829674f7e2bf43a3786..0000000000000000000000000000000000000000
--- a/dexhand021_left/usd/configuration/dexhand021_left_full_convex_base.usd
+++ /dev/null
@@ -1,3 +0,0 @@
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-size 680734
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