She does indeed have a humanoid form, nominally elven though she has considerable experience blending in. Through small changes with her shape shifting and illusions she can easily pass as a local human.

As to the holographic blue prints, they would certainly be portable, small enough to be able to carried around in someone's pocket. It would not be difficult at all for her to put a few extra for duplication purposes, far from a drain on her crystal resources.

He'll certainly get the opportunity to if he works with her!