Reminds me of Star Trek Epsiode 35, Season 2:
The Doomsday Machine. With fins.
Very cool, nonetheless. BTW, what tool[s] did you use?
Gecko
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Don't become a well-rounded person. Well rounded people are smooth and dull. Become a thoroughly spiky person. Grow spikes from every angle. Stick in their throats like a pufferfish
-Bruce Sterling