A method of producing a decorative carpet tile may include providing a carpet tile in accordance with the prior art techniques and then treating the carpet tile in one of various manners to provide a separation internal to side edges of the carpet tile. The treatment can include tip shearing side portions relative to an internal portion to provide at least one discontinuity, dripping colors to provide a frame, carving, burning, or otherwise providing a separation internal to the side edges of the carpet tile in various disclosed embodiments.