About this 3D model

Patteia - Petteia is an ancient Greek game. Two players face each other across a rectangular board which is marked with a grid of squares. The players each have an equal number of pieces, all of the same type, with one player's pieces differing from the other in colour. Pieces move around the board and capture one another by surrounding; a piece of one colour caught between two of the other is removed from play. The winner is the player who captures all of the opponent's pieces. How to Play? Link