Some embodiments of the present disclosure include a device for recording the location, size, and shape of anomalies and skin landmarks, such as scars, mass clusters, and the like. The device may include a substantially sector-shaped semitransparent marking base having a plurality of transparent regions and a removable backing. The marking base may include a plurality of semitransparent marking scales that define the transparent regions, wherein the entire device is configured to allow a user to trace anomalies and skin landmarks thereon, creating a permanent, accurate, and actual-size mapping of the subjects skin. In some embodiments, the marking base may be made of a vinyl material.
