1. A system, comprising: at least one processor of a machine; a user interface module to receive a sketch that corresponds to a search item from a user, the sketch being at least partially generated by the user, and an analysis module, executable by the at least one processor of the machine, to: extract an item attribute from the sketch, the item attribute corresponding to a physical attribute of the search item, and identify a set of inventory items similar to the search item based on the extracted item attribute and a search scope; the user interface module is further to cause presentation of the identified set of inventory items to the user.