Blueprint Function: When player pressed RMB, the actor (Portal Red) spawns at the location where player is pointing, and rotates actor to sit flat against wall. The timeline also scales the actor from 0 to 1 over a period of 0.5 seconds, so it appears to grow out of a fixed point.
Video of actor being spawned here: YouTube
Image of blueprint here: http://i.imgur.com/HAfR3S2.png
Video of bug here: YouTube