Seahorse article covering 3Di
© Seahorse magazine North Sails’ new 3Di products have been quietly making inroads among racing fleets everywhere, with little fanfare and marketing, yet their distinctive opaque, near-metallic appearance has been turning heads wherever they turn up. The sails are strong and stiff, a feature that has caused many in the North team to refer to them as being more like rigid foils than soft sails. In fact, not since the first generation Kevlar jibs were made over 30 years ago has there been such a leap in sail strength.

US patent # - 10/521,160 and Euro Pat App 2 189 269
Read on.... (pdf file, reprinted with permission from Seahorse)