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ROS COLLADA URDF to DAE mesh parts become flat

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Hello everyone, I am trying to create an IKFast kinematics solver for a robot, but i have some problems with converting the .urdf file into a .dae file. The robot looks link this wen i run the openraven command it looks like this: ![image description](/upfiles/15536754433634951.png) But it needs to look like this: ![image description](/upfiles/15536756008263183.png) I think the STL files that represent the links did not translate correctly. I followed the instructions from the [MoveIt tutorialt](http://docs.ros.org/kinetic/api/moveit_tutorials/html/doc/ikfast/ikfast_tutorial.html#create-collada-file-for-use-with-openrave) and converted my .xarco file into a .urdf. After i convert the .urdf file into a .dae file by using the following command: > rosrun collada_urdf urdf_to_collada "MY_ROBOT".urdf "MY_ROBOT".dae and round the numbers with the following command: >rosrun moveit_kinematics round_collada_numbers.py "MY_ROBOT".dae "MY_ROBOT".dae 5 In each step i did not receive a error or a warning. I use ROS kinetic and ubuntu 16.04 LTS and ROS industrial. The .urdf was created with the [solidworks to urdf](http://wiki.ros.org/sw_urdf_exporter) plugin. Any tips or advises to convert the .urdf file properly are welcome.

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