With many thanks to Wis for putting me on to a German multihull site from which this French design came from.
http://www.whaou.com/fr/s05_aventure/s05p03_courses.php?PHPSESSID=518d57547cffe5a43749cc09d4236a06
a couple more … again, thanks to Wis !
White boat is Mini40/F-48 size and utilizes an “M” Class swing rig, while the other photo is - ummmm - a bit larger 2 Meter boat.