FCSFin
thingiverse
To attach an FCS fin, use a 50/50 foiled, 96mm-sized box. The design was made with Autodesk Inventor and was generously shared by TPG.
Download Model from thingiverse
With this file you will be able to print FCSFin with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on FCSFin.