[He planned on starting with something simple. It would be both practical, and a test of her skill. One way or another, it made more sense to start small instead of requesting something complicated and potentially unrealistic.]

A grappling gun. [It was small and feasible, but you still had to know what you were doing to make it work properly.] It wouldn't require much, and I'm sure that this planet would have the right materials for you to make it. [And then some, probably. Concordia was something of a technological marvel, despite its political storm.]

I have the original blueprints memorized. I could... send them to you. [Mentally, he means. The most effective way of transmitting this sort of information, though he doesn't trust it completely.]