<r>Hello, I downloaded the plugin development library <I><s>[i]</s>SweetHome3D-6.4.2.jar<e>[/i]</e></I>, moved it to my <I><s>[i]</s>eclipse-workspace<e>[/i]</e></I> folder, and tried to follow the steps on <I><s>[i]</s><URL url="http://www.sweethome3d.com/pluginDeveloperGuide.jsp">http://www ...