has space for a small oval 8x10x12mm motor, and 2 3mm LEDs in the arms. i also filed them down to make the dome flat for easier glueing.
i put a power supple in the form of a tiny li-po cell in the spinny part itself. ie the lazy solution
demo: https://www.reddit.com/r/tf2/comments/gpa0t5/3d_printed_spinny_and_glowy_teleporter/
most if not all parts need support and maybe reorientation
The author hasn't provided the model origin yet.