Very slow build from France

[SoEFoil]

Another brand selling inflatable boards: mantafoils.com - the boss is French and ships from UAE.
Not sure they sell “board only” though.

Regarding your project, you’ll enjoy this 2020 thread:

Another build from Finland (inflatable)

The actual frame was then laminated with carbon fiber and epoxy (sandwiched with a 5 mm foam core to gain more stiffness). [20200412_162627] [20200502_112617] [20200502_172522] [20200614_135607] [20200614_135543]