leporello

Named after Leporello, the servant of the eponymous character in Wolfgang Amadeus Mozart's opera Don Giovanni, who unfolds a long list of Don Giovanni's love conquests.

leporello (countable and uncountable, plural leporellos)

1. (uncountable, printing) A style of parallel folding with the folds alternating between front and back; concertina fold.
   • 2011, J. Susan Isaacs, “Artist Biographies and Works in Exhibition”, in J. Susan Isaacs, editor, The Book: A Contemporary View, Wilmington, DE: Delaware Center for the Contemporary Arts, →ISBN, page 18:

     Because of the accordion fold and leporello binding the book can be stretched out to its full length, showing a rich color field in transition.

2. (countable, printing) Any printed material (book, leaflet etc.) having such folds; a concertina.
   • 1985, Orana, volumes 21–22, page 94:

     These charming leporellos are once more available from Australian lBBY. The first batch sold out very quickly. ¶ The leporellos, consisting of ten frames each, with each frame having been designed by some of the world's most famous children's illustrators, may be used as […]

   • 1990, Art Aurea, numbers 1–4, page 85:

     Paper artworks belong in an analagous category, not unrelated to the works of book art. Designer Michael Marschall presents colorfully printed, folded and punched cards and leporellos – prototypes from the field of graphic design.

   • 2013, Rolf Sachsse, “Architecture”, in John Hannavy, editor, Encyclopedia of Nineteenth-Century Photography, volumes 1: A–I, Routledge, →ISBN, page 62:

     Mostly these—anonymously manufactured—portfolios were conceived as leporellos with a panoramic view of 360° in twelve images on the front and twelve singular images showing individual edifices on the back. Today, these leporellos often mark the earliest records of the existence of these cities.

• concertina