A pencil sketch of a border collie dog portrait, featuring intricate details and sharp focus, capturing the essence of studio photography. Inspired by the trending styles on ArtStation, this illustration exudes high detail and artistic precision. The border collie is depicted with a slightly regal pose, its intelligent eyes and textured fur rendered in delicate pencil strokes. The sketch is inspired by the stylistic elements of Greg Rutkowski's work, highlighting the breed's alertness and friendly demeanor. The background is kept minimal to emphasize the lifelike and highly detailed features of the dog.