What's New: Creo Parametric 4.0 > Manufacturing (Additive Manufacturing–3D Printing, Subtractive Manufacturing–Creo NC) > Annotations in the Tray Assembly
  
Annotations in the Tray Assembly
User Interface Location: Click File > Print > Prepare for 3D Printing > Note.
Release: Creo Parametric 4.0
Benefits and Description
You can watch a video that demonstrates this capability.
You can add simple annotations to the tray assembly. You can select the annotation plane, and add notes and symbols. You can also add notes to surfaces.