This is my first model to this forum, so be nice :)I design this her wind turbine for the desktop. There has been a solar panel which generates electricity on to the little engine that sits up in the turbine head.http://www.youtube.com/watch?v=FkYCw5SYI6QThis model here requires that you have access to a 3d printer or other equipment 3d. Create components and put them equal with glue. two thin wires pulled out through the hollow tube and let them Solder to the engine (I used an old engine from a mini RC helicopter 6 mm diameter) solar panel is from an old garden lamp.If the format that I made does not fit into your system then contact me, I try to made the format you need :)