Whale Tail Keychain
thingiverse
Just came across this Fusion 360 tutorial in making an articulated hinged dolphin keychain. https://www.thingiverse.com/thing:2860000 The designer has made a seperate file for the hinge for us to download and reuse. F360 Hinge model: https://a360.co/2GWWRiM I tried it out and made a simplied version with a whale tail. It works.
Download Model from thingiverse
With this file you will be able to print Whale Tail Keychain 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 Whale Tail Keychain.