Dive Spear for LionFish Hunting 3D Printable

by bustmold, published

Dive Spear for LionFish Hunting 3D Printable by bustmold Feb 13, 2013
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Lionfish are the first exotic species to invade coral reefs. They have multiplied at a rate that is almost unheard of in marine history, going from nonexistent to pervasive in just a few short years. Along the way, they've eaten or starved out local fish, disrupted commercial fishing, and threatened the tourism industry. Some experts believe that lionfish are so widespread that their effect on the ecosystems of the Western Atlantic will be almost impossible to reverse. Still, some people are determined to try, if only to protect those waters which haven't yet been invaded.
Download the world's first 3D-printable spear for lionfish hunting designed by Mold Busters to protect the reefs and the environment.
Read a full article by Shane Graber covering this experiment here -


Check out version2 - fully cutomizable dive spear - http://www.thingiverse.com/thing:54756

For more information about our environmental efforts, please visit https://www.bustmold.com/locations/ottawa/ or https://www.bustmold.com/locations/montreal/


Tested on Replicator 2.
Works perfectly at basic settings:
Quality: Medium
Infill: 10%
Number of Shells: 2
Layer height: 0.27

Please send your build comments.

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what a shame. My Lionfish was - by far - the coolest occupant of my saltwater aquarium... however seeing his voracious appetite first hand, it's no surprise that these guys are taking over reefs everywhere they go...

Hi, Thank you everyone for your comments. We are excited to improve our designs.

Hi, thank you for your comment. Its true Lionfish are great aquarium fish and really pretty. But once they got to Caribbean they caused havoc to the reefs and other fishes and continue to destroy them. This is why we designed the worlds first 3d printable dive spear for Lionfish hunting. Let me know how your printing works out and please send your comments.

sorry, I just saw the image of the diver with a spear gun. I'm assuming your shooting the spear, not hand holding it... that makes much more sense!

) well, basically the idea was a first fully printable spear for lionfish. it works with a rubber band which gives the velocity for the lionfish kill. I tried it with tomatoes, apples and etc. and it works great. I'm going to Cuba in a few weeks and would be cool to print a few copies to give out to locals there as awareness there is really low.

) the idea here was a fully printable spear, just need to add a solid rubber band and then no need to a spear gun. Let me know your comments.

Maybe a more distinct barb to hold them once you spear them? Also, a handle extension would be nice. I don't think I would want a speared lionfish thrashing about so close to hand. You might want to make a beefier version as well. The few lionfish I've seen in the Keys were pretty big!

Hi, Thank you for great comments. We will be working on improvements and V2. You are right, a handle extension would be nice! Its true, there is plenty of lionfish in Florida. I actually came back from the Keys last month and saw all the lionfish there and it gave me an idea for the 3d printable lionfish spear. Let me know how your print goes. Maybe you can post a print picture?

Hi, thank you for your comment. Great suggestions! We are working on improvements. In version 2 we want to make an extendable spear and changeable spikes. Of course it needs a solid rubber band for velocity. There is lots of lionfish in the Keys. I was in Key Largo last month and saw all the lionfish there and it led to this 3d printable spear idea. Let me know how you print goes.

Have you used this to spear a lionfish yet? If so, how did it go?

Hi, thank you for your comment. We just did this design yesterday and published today. It works great at piercing apples, tomatoes... ) but didn't try on LionFish yet. I'm planning a trip to Cuba in Caribbean in a few weeks and will print a few spears to give out to locals and will document the spear fishing process with worlds first 3d printable lionfish spear. Let me know what you think or if there can be any improvements to the design. Did you try printing it? Would be great to get some comments

I do my part - they are all over the Netherlands Antilles now... ;( I don't however, think I'm ready to give up my stainless poker and fiskers fin removers.

Hi, Thank you for your comment. This is a work in progress and we are working on improvements such as extendable size, better grip and sharper spikes. Please send suggestions if you have any. I'm planning a trip to down to Caribbean in a few weeks so will be able to test out the spears.

This is a work in progress. Please send your build comments. Together we can save the reefs from the invasive species of Lion Fish.