add random_urfs individually

examples/pybullet/gym/pybullet_data/random_urdfs/804/804.mtl

@@ -0,0 +1,10 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl None
+Ns 0
+Ka 0.000000 0.000000 0.000000
+Kd 0.8 0.8 0.8
+Ks 0.8 0.8 0.8
+d 1
+illum 2

examples/pybullet/gym/pybullet_data/random_urdfs/804/804.obj

@@ -0,0 +1,738 @@
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+f 228 242 251 
+f 242 243 251 
+f 243 230 251 

examples/pybullet/gym/pybullet_data/random_urdfs/804/804.urdf

@@ -0,0 +1,31 @@
+<robot name="blob804">
+  <link name="random_obj_804">
+    <contact>
+      <lateral_friction value="1.0"/>
+      <rolling_friction value="0.0"/>
+      <inertia_scaling value="3.0"/>
+      <contact_cfm value="0.0"/>
+      <contact_erp value="1.0"/>
+    </contact>
+    <inertial>
+      <origin rpy="0 0 0" xyz="0 0 0"/>
+      <mass value="0.1"/>
+      <inertia ixx="1" ixy="0" ixz="0" iyy="1" iyz="0" izz="0"/>
+    </inertial>
+    <visual>
+      <origin rpy="0 0 0" xyz="0 0 0"/>
+      <geometry>
+        <mesh filename="804.obj" scale="0.015 0.015 0.015"/>
+      </geometry>
+      <material name="blockmat">
+        <color rgba="0.61 0.45 0.88 1"/>
+      </material>
+    </visual>
+    <collision>
+      <origin rpy="0 0 0" xyz="0 0 0"/>
+      <geometry>
+        <mesh filename="804.obj" scale="0.015 0.015 0.015"/>
+      </geometry>
+    </collision>
+  </link>
+</robot>