Hand-cut by Chrystel Crickx from 1973 to 2000, wildely vectorized by Hammerfonts in 2001, published by Speculoos/Open Source Publishing in 2011, released again by Crickx research group in 2024 under Collective Conditions for re-use, CC4r https://constantvzw.org/wefts/cc4r.en.html

See the project repository for the current trunk and the various branches:
https://gitlab.constantvzw.org/osp/foundry.crickx/