 These support edges maintain the Euler nature of K^_i. Finally , we describe a tree-based search algorithm that builds the continuous tool path by traversing "concentric" cycles in the Euler complex.
<clarity>  These support edges maintain the Euler nature of K^_i. Finally , we describe a tree-based search algorithm that builds the continuous tool path by traversing "concentric" cycles in the Euler complex.
 These support edges maintain the Euler nature of the complex. Finally we describe a tree-based search algorithm that builds the continuous tool path by traversing "concentric" cycles in the Euler complex.