Y-45 AT Hauler scaled for legion, based on a model from the facepunch resource thread. Chopped the model and added parts so that the wings should move!
The rotating wings are very loose so I wrapped the axle it rotates around with electrical tape until it fit snugly enough that the wings hold in place while in the flying position while still being able to be rotated.
At least with minimal infill it won't quite balance properly in the landed position (increasing infill or weighting the back might help?), but it will if you put a small wedge under the front edge the wings. The landing lights in this collection
http://www.semaker.com/productdetail/15985 are perfect for this, but a legion base or movement tool will also get it to balance properly (as you can see in the corner of the landed picture).