single line fonts generator?

hi, i´d like to convert  true type fonts to single line fonts.

i´ve found some info about dr.engrave program, but it´s a sort of old program, hard to download it.

any idea for it´s substitution? http://www.youtube.com/watch?v=cstfBo3Nc80

it´d be helpful not just for me :-)

thanks you guys !