We have recently been experimenting with a 3D printed paddleboard fin for the T-Rex. We have designed this fin for cruising, touring and surfing smaller waves. It features an NACA0012 foil section for minimal drag with maximum grip in the water. The fin was 3D printed by a friend of mine using a Makerbot set to 30% infill and a shell thickness of 4. So far, we are yet to test the fin in the water but are very impressed with the strength and shape of the finished product. At a