Another Fine Map (Approximate French pronunciation of Fine -“fee-nay”)
Created in 1531, before the Heart-Shaped Map, this map shows the origin of the later map (if you rotate the image clockwise or counter clockwise 90 degrees.
To learn more about cordiform maps, the projection Oronce Fine used for the Heart-Shaped-Map, this site provides excellent visuals to help understand how maps of this type are made. Cordiform maps constitute a type of pseudoconic projection, clearly shown on this page.
History of Cordiform Maps including Fine
This more detailed essay provides historical detail on sixteenth-century cordiform maps, but the design principles of the map are best laid out above.
The map below shows the area mapped by the Heart-Shaped Map (imperfectly drawn by author).
View Heart-Shaped World in a larger map