Headphones stand 3D model

I would like the 3D model of this stand, it's composed out of 3pcs: the big skull, the black stand and the skull insert. Everything will be 3D printed and assembled as seen in the pictures. The thickness of the big skull will be 40mm. Dimensions (at widest part)Height: 22cm Width: 9.5cm Depth:8.3cm I need the .stl models for this.