From 473f2a41ae5b8e9e679982225e633b06c862b951 Mon Sep 17 00:00:00 2001
From: weijian <weijian.wang@elephantrobotics.com>
Date: Mon, 10 Oct 2022 09:51:14 +0800
Subject: [PATCH] update urdf dae files for ubuntu20.04

---
 mycobot_description/urdf/260_pi/base.dae         | 4 +---
 mycobot_description/urdf/260_pi/link1.dae        | 4 +---
 mycobot_description/urdf/260_pi/link2.dae        | 4 +---
 mycobot_description/urdf/260_pi/link3.dae        | 4 +---
 mycobot_description/urdf/260_pi/link4.dae        | 4 +---
 mycobot_description/urdf/260_pi/link5.dae        | 4 +---
 mycobot_description/urdf/260_urdf/base.dae       | 4 +---
 mycobot_description/urdf/260_urdf/link1.dae      | 4 +---
 mycobot_description/urdf/260_urdf/link2.dae      | 4 +---
 mycobot_description/urdf/260_urdf/link3.dae      | 4 +---
 mycobot_description/urdf/260_urdf/link4.dae      | 4 +---
 mycobot_description/urdf/260_urdf/link5.dae      | 4 +---
 mycobot_description/urdf/280jn/joint1_jet.dae    | 4 +---
 mycobot_description/urdf/280jn/joint5.dae        | 4 +---
 mycobot_description/urdf/320_urdf/base.dae       | 4 +---
 mycobot_description/urdf/320_urdf/gripper_ag.dae | 4 +---
 mycobot_description/urdf/320_urdf/link1.dae      | 4 +---
 mycobot_description/urdf/320_urdf/link2.dae      | 4 +---
 mycobot_description/urdf/320_urdf/link3.dae      | 4 +---
 mycobot_description/urdf/320_urdf/link4.dae      | 4 +---
 mycobot_description/urdf/320_urdf/link5.dae      | 4 +---
 mycobot_description/urdf/320_urdf/link6.dae      | 4 +---
 mycobot_description/urdf/600_urdf/base.dae       | 4 +---
 mycobot_description/urdf/600_urdf/link1.dae      | 4 +---
 mycobot_description/urdf/600_urdf/link2.dae      | 4 +---
 mycobot_description/urdf/600_urdf/link3.dae      | 4 +---
 mycobot_description/urdf/600_urdf/link4.dae      | 4 +---
 mycobot_description/urdf/600_urdf/link5.dae      | 4 +---
 mycobot_description/urdf/600_urdf/link6.dae      | 4 +---
 mycobot_description/urdf/mecharm/base.dae        | 4 +---
 mycobot_description/urdf/mecharm/link1.dae       | 4 +---
 mycobot_description/urdf/mecharm/link2.dae       | 4 +---
 mycobot_description/urdf/mecharm/link3.dae       | 4 +---
 mycobot_description/urdf/mecharm/link4.dae       | 4 +---
 mycobot_description/urdf/mecharm/link5.dae       | 4 +---
 mycobot_description/urdf/mecharm/link6.dae       | 4 +---
 mycobot_description/urdf/mecharm_pi/base.dae     | 4 +---
 mycobot_description/urdf/mecharm_pi/link1.dae    | 4 +---
 mycobot_description/urdf/mecharm_pi/link2.dae    | 4 +---
 mycobot_description/urdf/mecharm_pi/link3.dae    | 4 +---
 mycobot_description/urdf/mecharm_pi/link4.dae    | 4 +---
 mycobot_description/urdf/mecharm_pi/link5.dae    | 4 +---
 mycobot_description/urdf/mecharm_pi/link6.dae    | 4 +---
 43 files changed, 43 insertions(+), 129 deletions(-)

diff --git a/mycobot_description/urdf/260_pi/base.dae b/mycobot_description/urdf/260_pi/base.dae
index f27a709..298a127 100644
--- a/mycobot_description/urdf/260_pi/base.dae
+++ b/mycobot_description/urdf/260_pi/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-01T07:06:33Z</created>
     <modified>2022-04-01T07:06:33Z</modified>
diff --git a/mycobot_description/urdf/260_pi/link1.dae b/mycobot_description/urdf/260_pi/link1.dae
index 47e0eb4..7baedc2 100644
--- a/mycobot_description/urdf/260_pi/link1.dae
+++ b/mycobot_description/urdf/260_pi/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:08:10Z</created>
     <modified>2022-03-01T03:08:10Z</modified>
diff --git a/mycobot_description/urdf/260_pi/link2.dae b/mycobot_description/urdf/260_pi/link2.dae
index 2230040..7187a1a 100644
--- a/mycobot_description/urdf/260_pi/link2.dae
+++ b/mycobot_description/urdf/260_pi/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:13:26Z</created>
     <modified>2022-03-01T03:13:26Z</modified>
diff --git a/mycobot_description/urdf/260_pi/link3.dae b/mycobot_description/urdf/260_pi/link3.dae
index 548de78..ec79227 100644
--- a/mycobot_description/urdf/260_pi/link3.dae
+++ b/mycobot_description/urdf/260_pi/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:13:43Z</created>
     <modified>2022-03-01T03:13:43Z</modified>
diff --git a/mycobot_description/urdf/260_pi/link4.dae b/mycobot_description/urdf/260_pi/link4.dae
index 6932c47..9801e97 100644
--- a/mycobot_description/urdf/260_pi/link4.dae
+++ b/mycobot_description/urdf/260_pi/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:10:25Z</created>
     <modified>2022-03-01T03:10:25Z</modified>
diff --git a/mycobot_description/urdf/260_pi/link5.dae b/mycobot_description/urdf/260_pi/link5.dae
index 0cfaf30..4f14138 100644
--- a/mycobot_description/urdf/260_pi/link5.dae
+++ b/mycobot_description/urdf/260_pi/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:09:55Z</created>
     <modified>2022-03-01T03:09:55Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/base.dae b/mycobot_description/urdf/260_urdf/base.dae
index a5d7f78..7060581 100644
--- a/mycobot_description/urdf/260_urdf/base.dae
+++ b/mycobot_description/urdf/260_urdf/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:07:26Z</created>
     <modified>2022-03-01T03:07:26Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/link1.dae b/mycobot_description/urdf/260_urdf/link1.dae
index 47e0eb4..7baedc2 100644
--- a/mycobot_description/urdf/260_urdf/link1.dae
+++ b/mycobot_description/urdf/260_urdf/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:08:10Z</created>
     <modified>2022-03-01T03:08:10Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/link2.dae b/mycobot_description/urdf/260_urdf/link2.dae
index 2230040..7187a1a 100644
--- a/mycobot_description/urdf/260_urdf/link2.dae
+++ b/mycobot_description/urdf/260_urdf/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:13:26Z</created>
     <modified>2022-03-01T03:13:26Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/link3.dae b/mycobot_description/urdf/260_urdf/link3.dae
index 548de78..ec79227 100644
--- a/mycobot_description/urdf/260_urdf/link3.dae
+++ b/mycobot_description/urdf/260_urdf/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:13:43Z</created>
     <modified>2022-03-01T03:13:43Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/link4.dae b/mycobot_description/urdf/260_urdf/link4.dae
index 6932c47..9801e97 100644
--- a/mycobot_description/urdf/260_urdf/link4.dae
+++ b/mycobot_description/urdf/260_urdf/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:10:25Z</created>
     <modified>2022-03-01T03:10:25Z</modified>
diff --git a/mycobot_description/urdf/260_urdf/link5.dae b/mycobot_description/urdf/260_urdf/link5.dae
index 0cfaf30..4f14138 100644
--- a/mycobot_description/urdf/260_urdf/link5.dae
+++ b/mycobot_description/urdf/260_urdf/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <!-- <author /> -->
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <!-- <copyright />
-      <source_data /> -->
     </contributor>
     <created>2022-03-01T03:09:55Z</created>
     <modified>2022-03-01T03:09:55Z</modified>
diff --git a/mycobot_description/urdf/280jn/joint1_jet.dae b/mycobot_description/urdf/280jn/joint1_jet.dae
index e5e4867..f85e301 100644
--- a/mycobot_description/urdf/280jn/joint1_jet.dae
+++ b/mycobot_description/urdf/280jn/joint1_jet.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-03-10T03:18:09Z</created>
     <modified>2022-03-10T03:18:09Z</modified>
diff --git a/mycobot_description/urdf/280jn/joint5.dae b/mycobot_description/urdf/280jn/joint5.dae
index cf5d438..ff2e26d 100644
--- a/mycobot_description/urdf/280jn/joint5.dae
+++ b/mycobot_description/urdf/280jn/joint5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-04-08T04:22:44Z</created>
     <modified>2021-04-08T04:22:44Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/base.dae b/mycobot_description/urdf/320_urdf/base.dae
index bf1039a..22d48d1 100644
--- a/mycobot_description/urdf/320_urdf/base.dae
+++ b/mycobot_description/urdf/320_urdf/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-03-09T05:57:29Z</created>
     <modified>2022-03-09T05:57:29Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/gripper_ag.dae b/mycobot_description/urdf/320_urdf/gripper_ag.dae
index 386617b..b752c63 100644
--- a/mycobot_description/urdf/320_urdf/gripper_ag.dae
+++ b/mycobot_description/urdf/320_urdf/gripper_ag.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-30T10:19:36Z</created>
     <modified>2021-06-30T10:19:36Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link1.dae b/mycobot_description/urdf/320_urdf/link1.dae
index a0bbc8f..f06a279 100644
--- a/mycobot_description/urdf/320_urdf/link1.dae
+++ b/mycobot_description/urdf/320_urdf/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-08T15:34:03Z</created>
     <modified>2021-06-08T15:34:03Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link2.dae b/mycobot_description/urdf/320_urdf/link2.dae
index 84158ea..71f2330 100644
--- a/mycobot_description/urdf/320_urdf/link2.dae
+++ b/mycobot_description/urdf/320_urdf/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-08T16:19:38Z</created>
     <modified>2021-06-08T16:19:38Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link3.dae b/mycobot_description/urdf/320_urdf/link3.dae
index fcd8234..787300b 100644
--- a/mycobot_description/urdf/320_urdf/link3.dae
+++ b/mycobot_description/urdf/320_urdf/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-08T16:19:52Z</created>
     <modified>2021-06-08T16:19:52Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link4.dae b/mycobot_description/urdf/320_urdf/link4.dae
index 7313918..5c6eb2f 100644
--- a/mycobot_description/urdf/320_urdf/link4.dae
+++ b/mycobot_description/urdf/320_urdf/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-08T15:34:30Z</created>
     <modified>2021-06-08T15:34:30Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link5.dae b/mycobot_description/urdf/320_urdf/link5.dae
index b108f0b..0445a36 100644
--- a/mycobot_description/urdf/320_urdf/link5.dae
+++ b/mycobot_description/urdf/320_urdf/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.11.21285.13002</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-02-19T12:00:13Z</created>
     <modified>2022-02-19T12:00:13Z</modified>
diff --git a/mycobot_description/urdf/320_urdf/link6.dae b/mycobot_description/urdf/320_urdf/link6.dae
index 4505603..cfcb300 100644
--- a/mycobot_description/urdf/320_urdf/link6.dae
+++ b/mycobot_description/urdf/320_urdf/link6.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-03-09T05:59:06Z</created>
     <modified>2022-03-09T05:59:06Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/base.dae b/mycobot_description/urdf/600_urdf/base.dae
index 277e073..206790d 100644
--- a/mycobot_description/urdf/600_urdf/base.dae
+++ b/mycobot_description/urdf/600_urdf/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:09Z</created>
     <modified>2021-06-22T04:23:09Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link1.dae b/mycobot_description/urdf/600_urdf/link1.dae
index 2570669..023498f 100644
--- a/mycobot_description/urdf/600_urdf/link1.dae
+++ b/mycobot_description/urdf/600_urdf/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:16Z</created>
     <modified>2021-06-22T04:23:16Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link2.dae b/mycobot_description/urdf/600_urdf/link2.dae
index 840ed43..8454ffb 100644
--- a/mycobot_description/urdf/600_urdf/link2.dae
+++ b/mycobot_description/urdf/600_urdf/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:28Z</created>
     <modified>2021-06-22T04:23:28Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link3.dae b/mycobot_description/urdf/600_urdf/link3.dae
index a8e9c45..c5ded4c 100644
--- a/mycobot_description/urdf/600_urdf/link3.dae
+++ b/mycobot_description/urdf/600_urdf/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:34Z</created>
     <modified>2021-06-22T04:23:34Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link4.dae b/mycobot_description/urdf/600_urdf/link4.dae
index 7660ba6..4e7f15e 100644
--- a/mycobot_description/urdf/600_urdf/link4.dae
+++ b/mycobot_description/urdf/600_urdf/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:39Z</created>
     <modified>2021-06-22T04:23:39Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link5.dae b/mycobot_description/urdf/600_urdf/link5.dae
index ec5d7f1..6e12000 100644
--- a/mycobot_description/urdf/600_urdf/link5.dae
+++ b/mycobot_description/urdf/600_urdf/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+     <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:43Z</created>
     <modified>2021-06-22T04:23:43Z</modified>
diff --git a/mycobot_description/urdf/600_urdf/link6.dae b/mycobot_description/urdf/600_urdf/link6.dae
index 519e455..5bb93a0 100644
--- a/mycobot_description/urdf/600_urdf/link6.dae
+++ b/mycobot_description/urdf/600_urdf/link6.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2021-06-22T04:23:48Z</created>
     <modified>2021-06-22T04:23:48Z</modified>
diff --git a/mycobot_description/urdf/mecharm/base.dae b/mycobot_description/urdf/mecharm/base.dae
index a5c27a5..0539ae9 100644
--- a/mycobot_description/urdf/mecharm/base.dae
+++ b/mycobot_description/urdf/mecharm/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-06-20T07:54:27Z</created>
     <modified>2022-06-20T07:54:27Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link1.dae b/mycobot_description/urdf/mecharm/link1.dae
index 6a7137a..1613b36 100644
--- a/mycobot_description/urdf/mecharm/link1.dae
+++ b/mycobot_description/urdf/mecharm/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:08:10Z</created>
     <modified>2022-04-22T03:08:10Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link2.dae b/mycobot_description/urdf/mecharm/link2.dae
index 1dccff6..a93f77f 100644
--- a/mycobot_description/urdf/mecharm/link2.dae
+++ b/mycobot_description/urdf/mecharm/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:08:47Z</created>
     <modified>2022-04-22T03:08:47Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link3.dae b/mycobot_description/urdf/mecharm/link3.dae
index 4698c96..311b411 100644
--- a/mycobot_description/urdf/mecharm/link3.dae
+++ b/mycobot_description/urdf/mecharm/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:09:58Z</created>
     <modified>2022-04-22T03:09:58Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link4.dae b/mycobot_description/urdf/mecharm/link4.dae
index 07e1321..1b6bc15 100644
--- a/mycobot_description/urdf/mecharm/link4.dae
+++ b/mycobot_description/urdf/mecharm/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:10:19Z</created>
     <modified>2022-04-22T03:10:19Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link5.dae b/mycobot_description/urdf/mecharm/link5.dae
index dec8390..c7695fe 100644
--- a/mycobot_description/urdf/mecharm/link5.dae
+++ b/mycobot_description/urdf/mecharm/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:10:32Z</created>
     <modified>2022-04-22T03:10:32Z</modified>
diff --git a/mycobot_description/urdf/mecharm/link6.dae b/mycobot_description/urdf/mecharm/link6.dae
index e58c015..1deb080 100644
--- a/mycobot_description/urdf/mecharm/link6.dae
+++ b/mycobot_description/urdf/mecharm/link6.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:15:32Z</created>
     <modified>2022-04-22T03:15:32Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/base.dae b/mycobot_description/urdf/mecharm_pi/base.dae
index f188ee3..6e770d0 100644
--- a/mycobot_description/urdf/mecharm_pi/base.dae
+++ b/mycobot_description/urdf/mecharm_pi/base.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:05:56Z</created>
     <modified>2022-04-22T03:05:56Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link1.dae b/mycobot_description/urdf/mecharm_pi/link1.dae
index 6a7137a..1613b36 100644
--- a/mycobot_description/urdf/mecharm_pi/link1.dae
+++ b/mycobot_description/urdf/mecharm_pi/link1.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:08:10Z</created>
     <modified>2022-04-22T03:08:10Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link2.dae b/mycobot_description/urdf/mecharm_pi/link2.dae
index 1dccff6..a93f77f 100644
--- a/mycobot_description/urdf/mecharm_pi/link2.dae
+++ b/mycobot_description/urdf/mecharm_pi/link2.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:08:47Z</created>
     <modified>2022-04-22T03:08:47Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link3.dae b/mycobot_description/urdf/mecharm_pi/link3.dae
index 4698c96..311b411 100644
--- a/mycobot_description/urdf/mecharm_pi/link3.dae
+++ b/mycobot_description/urdf/mecharm_pi/link3.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:09:58Z</created>
     <modified>2022-04-22T03:09:58Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link4.dae b/mycobot_description/urdf/mecharm_pi/link4.dae
index 07e1321..1b6bc15 100644
--- a/mycobot_description/urdf/mecharm_pi/link4.dae
+++ b/mycobot_description/urdf/mecharm_pi/link4.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:10:19Z</created>
     <modified>2022-04-22T03:10:19Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link5.dae b/mycobot_description/urdf/mecharm_pi/link5.dae
index dec8390..c7695fe 100644
--- a/mycobot_description/urdf/mecharm_pi/link5.dae
+++ b/mycobot_description/urdf/mecharm_pi/link5.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:10:32Z</created>
     <modified>2022-04-22T03:10:32Z</modified>
diff --git a/mycobot_description/urdf/mecharm_pi/link6.dae b/mycobot_description/urdf/mecharm_pi/link6.dae
index e58c015..1deb080 100644
--- a/mycobot_description/urdf/mecharm_pi/link6.dae
+++ b/mycobot_description/urdf/mecharm_pi/link6.dae
@@ -2,11 +2,9 @@
 <COLLADA xmlns="http://www.collada.org/2005/11/COLLADASchema" version="1.4.1">
   <asset>
     <contributor>
-      <author />
+      <author>Blender User</author>
       <authoring_tool>Rhinoceros 7.5.21082.11001</authoring_tool>
       <comments>Output from Rhinoceros COLLADA Exporter</comments>
-      <copyright />
-      <source_data />
     </contributor>
     <created>2022-04-22T03:15:32Z</created>
     <modified>2022-04-22T03:15:32Z</modified>