The Canadian artist Tad Biernot created and . Both fonts are integrated in the Take Type Library, chosen from the contestants of Linotype's International Digital Type Design Contests of 1994 and 1997. Biernot based the design of his font on optical illusions like those of M. C. Escher. The reader cannot always exactly decide if a character is twisting toward or away or both. Linotype Dummy is available in black and outline weights and is suited exclusively to short headlines in large point sizes. Linotype Rory was designed by Biernot with strictly constructed forms. The similarly formed figures seem mechanically created and their light slant gives the impression of strenght and dynamism. Linotype Rory oblique should only be used in the shorter texts of headlines in larger point sizes. Linotype Dummy and Linotype Rory are trademarks of Heidelberger Druckmaschinen AG, which may be registered in certain jurisdictions, exclusively licensed through Linotype GmbH, a wholly owned subsidiary of Heidelberger Druckmaschinen AG.