A great amount of detail can be achieved with abrasive etching.  This detail is 15" x 9"; a full photo can be seen here.

The repeating pattern in this exterior door panel was the solution to adding some privacy to the owner's home.

Detail of an abrasive etched piece installed in a pair of French doors.

Many interesting effects can come from etching flashed glass.  For example, the blue glass in the center was once a solid blue, and the colored layer was selectively etched away.