Found a reasonable copy of Alberti vs Pacioli letter B comparision, which this work is based upon. http://www.smedresmania.com/wp-content/uploads/2007/08/alberti-vs-pacioli.jpg Tried to figure out Pacioli's proportion in that construction he used, with no avail.
Blet由Leon Battista Alberti在Rucellai墳墓，1446-1451
1446、1451、2013、Alberti、engraved、Lazur、letter、renaissance、roman、serif、URH
1446、1451、2013、阿爾貝蒂、刻、天藍、信件、再生、羅馬、襯線、URH
資料來源：openclipart ( https://openclipart.org/ )