I modify the neck of original modell. So I made a hole in the body and in the head to simple pen spring.
Spring size: Ø5mmx30mm
This is how the head moves:
https://www.facebook.com/reel/1107540676971485
vault-boy-final-base.stl | 314.1KB | |
vault-boy-final-body-5mm_hole.stl | 4.2MB | |
vault-boy-final-head-5mm_hole.stl | 3.6MB |