About the Original Logo Design

CGAL/cgal

The letters of the original CGAL logo were made following: David Lance Goines, A Constructed Roman Alphabet: a Geometric Analysis of the Greek and Roman Capitals and of the Arabic Numerals. David R. Gordine, Boston, 1982.

CGAL Full
Here are, for example, the precise instructions to construct the letter 'C': Q.E.F.