This describes steps required to create new Border
1
Create a new Body in the reference Tab
If the reference tab is missing, select the settings tab and turn on the Reference Tab.
2
Assign the new Border Mesh
3
Create a fractured prefab of the mesh for animation
There are two components the prefab must have.
Animator
The animator must have three animation clips that can be transitioned from any state. The triggers for their transitions are: Drop , Explode , Come Up
Piece Animation Controller
Just assign the fractured pieces of your border here, and it will handle all physics-based animations.