Here is our Millennium Falcon Gold Medal video walkthrough for Angry Birds Star Wars Hoth level 3-9. The general strategy is pretty simple, but hard to execute: Loft the Egg to land in the chute on the left-hand side. Note that landing the Egg in the tiny space atop the first structure apparently works as well, though trying to duplicate this is not advised.
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Land the first Homing Egg on the left set of glass triangles.
Land the second Homing Egg into the second gap from the right where the wood ladder-like structure sat.