Twintip symetric fins, 38.1mm or (1.5 inch for imperial USA) hol

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Built my very first ever kiteboard and I had to settle for different fins on that one, which just weren't quite to my liking. This particular one was mathematically designed with a round leading edge. If you're curious about why I didn't go with a sharp leading edge, Google the "Coandă effect" and you'll see exactly what I mean. Dimensions: 137.2 inches long by 8.98 inches thick by 1.57 inches deep. I'm still learning the ropes when it comes to kiteboarding, relying heavily on online research and drawing from my experience windsurfing. However, I haven't yet rigged up a kite or taken it out onto the water. Be sure to check out the instructions as well - creating durable plastic through 3D printing is no easy task, especially considering the stresses that this type of board can encounter in real-world use. The second part of the design is actually a mold, which you'll need to mirror in order to create the second half of it.