Creating a GLaDOS cores
From Valve Developer Community
Creating a first core
- After you created a prop_gados_core, click right and select "Properties";
- When it opened "Object Properties" window, go to the "World Model" value and select models\props_bts\glados_ball_reference.mdl;
- Go to the "Name" value and name it brain_core_sphere_0.
Congratulations, you have created first core