Single line vector text / 3.2

A customer needs to add letters and numbers to all jobs, changing them few times every day, by cutting the outline of the fonts.

Working 8-10 hours a day, with 4 Speedy 100, he needs to cut a single line vector text, which would gain him maybe 20-30 seconds to every 3 minutes jobs - pdf attached.

In Corel would be - covert font to bitmap black and white, then function centerline trace - line drawing, and get the line vector text - but he is using only Ruby.