This 3D model was originally created with Sketchup 8 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 We took our fish shape and narrowed the tail but kept the volume in there. The rail shape was sharpened up to give better release and more drive. With a 3 fin thrusters set up, this board has plenty of drive through the flat sections and off the bottom.