Split Along Edges
KeyCreator \ Tools \ Core-Cavity-Split \ Split-Along-Edges

Location: Tools>Core/Cavity Split>Split Along Edges

Use this feature to split bodies along their edges. 

Using the Function:

1   Click Tools>Core/Cavity Split>Split Along Edges.

2      Select the edges to split the body. The selected edge must completely enclose the body being split.

 

Above > Example of a body being split along an edge (the color changed after separation to highlight the split.)