Surfer with CE degree using CAD to design airfoil-based 3D Printed, winged surfboard fins.
Flight has entered the surfing arena!
When you ride a wave, your fins are slicing that water apart. They can generate lift from this, much more than traditional fins and at much larger angles of incidence! New lines of acceleration are even available to you when you add wings to these fins.
Next pic here is from a session at the Lane, using my fins the Megawatts on a 5'9" Tomo Omni:
