Surfboard Fin

thingiverse

Enable "view hidden geometry" in Sketchup? Don't do it. This model's ugly as is, and its far from a perfect solid - just a rough outline. This surfboard fin's been modeled in Sketchup using measurements taken with calipers, along with some scans to get it just right. Its thickness isn't the same all along leading edge or trailing edge, but it does match the basic slope of that real fin.