Successfully mailed some stuff to Chris - rockets and a Bomarc (mostly tubes). I did the usual bed of bubble wrap, immobilized things on top of that with crumpled newspaper (or plastic shopping bags), then foam peanuts over and around all. If it doesn't rattle when shaken it'll be OK. Paper models are so light they have little tendency to shift - but the packing material must be equally light or it'll crush the models.
For moving things locally, I usually make a solid stand that securely holds the model over a base that extends well beyond the model's footprint. That goes into a box (no top needed, no stacking either) and into the truck. The stand holds the model securely, the wide base keeps the model from bashing into the sides of the box, and the box keeps everything else from smooshing it.
Makes you aware of how erratically everyone else is driving, though.
Yogi
On the right is the Hubble telescope transport stand. Model is pinned in place with a wire into the center of the bottom face - which is also used to support the model on its final display stand (left).
