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/ )