a consortium of Dutch organisations created an equivalent lettering standard, NEN 3225. Created by a group of designers that included Jan van Krimpen, the design has no similarity to the DIN standard: it is a humanist family with serif and sans-serif styles. The sans-serif is similar to Gill Sans and to Johnston; the serif reflects the classical Renaissance humanist model. In a similar vein, the International Standards Organisation developed its own derivative, Isonorm, in 1980. Releases The transferable-lettering-sheet company, Letraset made several variants available in the 1970s. Also, the Berthold type foundry adopted the DIN typefaces for their optomechanical phototype setting systems such as Staromat. In 1980, the DIN typefaces were redrawn by Adolf Gropp (1911–1996), a lettering artist from Frankfurt. The drawings were made on a finer grid. This enabled an exact definition of details such as the amount of overshoot of round characters (e.g. C, G and O) below the baseline and above the cap height. Also, characters such as S for which an accurate construction drawing had never been made were now defined using lines and arcs for the new cutting plotters that were to be used for the lettering on motorway signage. A number of the glyphs were changed, in particular those for "a", "6" and "9" as well as "t" in DIN . By the mid 1980s, Linotype adopted the redrawn DIN typefaces for digital photocomposition. Together with Adobe, they released it as DIN and DIN in 1990. Thus, the typefaces became part of the Adobe/Linotype PostScript typeface library. The use of DIN typefaces started to appear in the work of cutting edge graphic designers and design studios such as Uwe Loesch in Germany, Tel Design in the Netherlands, as well as David Carson and April Greiman in the USA. Soon, other leading designers began using DIN and , making it a popular option to other sans serif faces. Third-party adaptations With the popularity of the DIN fonts, with their minimal, modern design, several designers and companies have released their own interpretations and adaptations, often adding new weights such as light or extra-bold, and italics, causing a range of digital interpretations to exist. One of the most famous and best-selling digitisations of DIN is FF DIN (1995), created by Dutch typeface designer Albert-Jan Pool for FontFont. Typographica editor Stephen Coles has particularly praised it for the quality of its hinting for onscreen display. Users include