Caran d'Ache Metal Sharpening Machine in Red by Caran d'AcheCaran d'Ache Metal Sharpening Machine by Caran d'Ache. Created in 1933, the famous Caran dAche sharpening machine has transcended the years and reinvented itself. Its high precision and durability have appealed to generations of pencil lovers. This vibrant yet elegant colour transforms the desks of anyone who loves attractive objects. For round and hexagonal pastels and pencils with between 4 and 10 mm, and possibility of adjusting the type of tip.