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Hi,
solved the problem. When a white cube appears on Gazebo that means that the path to the visual mesh in not well specified. I guess I wasn't expecting this error because I was using the package finder, but when I used the full path the tree appear and everything seemed to be fine. After that I changed to the package finder once again and I got no errors so it seems that the first time I inserted the path I must have misspelled something...
Anyway, just in case you guys want to know, when you are working with SolidWorks to build your own models:
The SolidWorks2URDF (link: http://wiki.ros.org/sw_urdf_exporter) plugin works just fine but doesn't export COLLADA models, which means you have to get them through another plugin, which is the SimLab Collada Exporter.
The SimLab Collada Exporter (https://www.simlab-soft.com/3d-plugins/SolidWorks/Collada_exporter_for_SolidWorks-main.aspx) is supported on SolidWorks 2013 and more recent versions. It is a payed software but you can use a free trial license for 30 days that works just fine. Keep in mind that this plugin can't export any appearances to a COLLADA file, only normal colors, i.e., the RBG combinations.
(I also discovered that it is not possible to export appearances to a STEP (.stp file), which was something that I also tried when trying to work my problem around).
Combining this 2 SolidWorks plugins allowed me to fully export a SolidWorks model, which is something that I think that is not well documented on the Internet so I hope this helps you all as it helped me.
Cheers! José Brito
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