diff --git a/rasmt_support/urdf/robot/rasmt_single_macro.xacro b/rasmt_support/urdf/robot/rasmt_single_macro.xacro
index 82e8ccf..1468af2 100644
--- a/rasmt_support/urdf/robot/rasmt_single_macro.xacro
+++ b/rasmt_support/urdf/robot/rasmt_single_macro.xacro
@@ -41,7 +41,7 @@
     <collision>
       <origin xyz="0 0 0" rpy="0 0 0" />
       <geometry>
-        <mesh filename="package://rasmt_support/meshes/collision/Base_Link.STL" />
+        <mesh filename="package://rasmt_support/meshes/collision/Base_Link.stl" />
       </geometry>
     </collision>
   </link>
@@ -75,7 +75,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Fork_1.STL" />
+          filename="package://rasmt_support/meshes/collision/Fork_1.stl" />
       </geometry>
     </collision>
   </link>
@@ -135,7 +135,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Link_1.STL" />
+          filename="package://rasmt_support/meshes/collision/Link_1.stl" />
       </geometry>
     </collision>
   </link>
@@ -195,7 +195,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Fork_2.STL" />
+          filename="package://rasmt_support/meshes/collision/Fork_2.stl" />
       </geometry>
     </collision>
   </link>
@@ -255,7 +255,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Link_2.STL" />
+          filename="package://rasmt_support/meshes/collision/Link_2.stl" />
       </geometry>
     </collision>
   </link>
@@ -315,7 +315,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Fork_3.STL" />
+          filename="package://rasmt_support/meshes/collision/Fork_3.stl" />
       </geometry>
     </collision>
   </link>
@@ -375,7 +375,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Dock_Link.STL" />
+          filename="package://rasmt_support/meshes/collision/Dock_Link.stl" />
       </geometry>
     </collision>
   </link>
diff --git a/rasmt_support/urdf/tools/rasmt_hand_macro.xacro b/rasmt_support/urdf/tools/rasmt_hand_macro.xacro
index f173c27..a75ec55 100644
--- a/rasmt_support/urdf/tools/rasmt_hand_macro.xacro
+++ b/rasmt_support/urdf/tools/rasmt_hand_macro.xacro
@@ -42,7 +42,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Grip_Body.STL" />
+          filename="package://rasmt_support/meshes/collision/Grip_Body.stl" />
       </geometry>
     </collision>
   </link>
@@ -97,7 +97,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Grip_L.STL" />
+          filename="package://rasmt_support/meshes/collision/Grip_L.stl" />
       </geometry>
     </collision>
   </link>
@@ -157,7 +157,7 @@
         rpy="0 0 0" />
       <geometry>
         <mesh
-          filename="package://rasmt_support/meshes/collision/Grip_R.STL" />
+          filename="package://rasmt_support/meshes/collision/Grip_R.stl" />
       </geometry>
     </collision>
   </link>