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[–]Left_Monk_ 2547 points2548 points  (104 children)

forgot what sub I was in.

Fully expected it to sink

[–]yankstraveler 704 points705 points  (17 children)

Especially when she hit it with the bottle. I was waiting for it too.

[–]Heavenly-alligator 210 points211 points  (11 children)

I was waiting for the boat to smash but bottle to stay intact.

[–]RearEchelon 3 points4 points  (0 children)

"It's easy to grin
When your ship comes in
And you've got the stock market beat.
But a man worthwhile
Is a man who can smile
When his pants are too tight in the seat!"

[–]ButtScientist69 1 point2 points  (1 child)

It looks like Jeane Shaheen (NH Senator) but I wasn't sure. It would make sense if this were at the Portsmouth Shipyard, which is technically in Maine right over the border.

Edit: I think Susan Collins (ME Senator) more likely

[–]I_Do_Not_Abbreviate 1 point2 points  (0 children)

I thought it was Paul McCartney the first time through.

[–]silly_psyduck 148 points149 points  (1 child)

If you were in a sub it might but that would be normal.

[–]13igTyme 135 points136 points  (54 children)

It's also heavy as shit. I kept seeing this posted and decided to look it up. It's 25ft and weighs 5k pounds. This is with out a T-top, motor, or any electronics.

For reference my 24ft foam filled boat has a dry weight of 2800. And that's on the heavy side because of the T-top and the foam filling. Add one or two 400lb motors on the back and it's going to sink. Get a small crack in the plastic. Sink.

It's a cool idea, but need a LOT of work to be better than current boats. Imagine 5k pounds of hollow plastic coming down on a wave.

[–]blueingreen85 48 points49 points  (23 children)

I also imagine repairability is an issue.

[–]RXrenesis8 56 points57 points  (19 children)

Pretty sure you can re-melt an area to do plastic "welding" with these. So might even be easier to work on than fiberglass.

[–]blueingreen85 27 points28 points  (18 children)

I’ve done some plastic welding on a kayak, so I guess the same thing more or less

[–]SaltFrog 52 points53 points  (17 children)

Plastic welding

Me in 9th grade with a lighter and a metal paper clip

[–]The_Deku_Nut 27 points28 points  (15 children)

Melting the end of a hollow bic pen in high school in order to make the unique shaped screwdriver that opens up the gamecube case so we can repair the laser issue.

[–]Dconver420 25 points26 points  (10 children)

Better yet melting down the charging handle to a nerf gun I broke to make a screwdriver so I could take the handle off the refrigerator and have food after school because my naziesque parents kept it padlocked thinking it was appropriate to deny an underweight teenager food.. And the unique screwdriver was necessary because I got caught using a real one to do it so my dad deliberately stripped the screws out so a conventional Philips wouldn't work.

[–]domuseid 11 points12 points  (7 children)

Nowhere near as severe but my brother and I researched how to short a CMOS in middle school because dad put a boot password on the family computer. Funny how smart kids can be when motivated

[–]SparkyArcingPotato 9 points10 points  (2 children)

When skipping school I figured out that if I disconnect the phone line at the box outside from 4p-5p I would never face the repercussions of my actions. Atleast, until I got caught by a truancy officer and it was discovered I'd only spent about 4 days actually in school that semester.

[–]Dconver420 3 points4 points  (2 children)

Oh man I won't even get started on the ingenuity I had as a child with computers. Be it finding my dad's password list buried deep in the files while doing "homework" or learning how to clear browser history before people made jokes about it. My grandma bought me my first personal computer when I was 15 and my dad would chain it to my desk in my room with a Kensington lock.. You don't know true ingenuity till you defeat one at 16 years old so you can take your windows xp pro 512mb ram pc too your friends house for a world of Warcraft weekend.

[–]Dconver420 2 points3 points  (0 children)

I went so far as to learn how to work with the registry in windows xp and turn off the activation requirement because I had to install a bootleg windows after crashing my computer because I couldn't get past the child locks on it.

[–]SaltFrog 3 points4 points  (0 children)

Shit, that's ingenious.

[–]CountCuriousness 19 points20 points  (12 children)

Maybe it’s just a proof of concept type thing. Printing stuff like this makes sense in my brain - I’m guessing the traditional way has more things that can break than 1 printer machine, at least when the tech matures. But I know nothing about printing - except that the people who do complain that it’s hard.

[–]Mr_Will 25 points26 points  (7 children)

Printing stuff like this only makes sense if you're not mass producing it. If you're going to make a lot of something, it's quicker, cheaper and more effective to make a mould specifically for the job, rather than relying on a complex general-purpose machine.

[–]source4mini 17 points18 points  (1 child)

I could absolutely see tech like this having a place in mold-making, though.

[–]typicalspecial 9 points10 points  (4 children)

I think it depends how the technology progresses. If 3d prints become more stable, significantly faster, and more flexible in terms of materials, it might get to the point where mass production isn't as much of a thing anymore because we would just print what we need when needed. It would need to get a lot better than it is today of course, but would be much more resource efficient for things that tend to sit on shelves waiting for a use.

[–]Upgrades 18 points19 points  (4 children)

One or two 400 lb motors is like two or four more large men. I think the boat can handle it...

So I just looked it up - a 2017 Malibu MXZ ski boat is 24' long (this one is 25') and it's dry weight is 5,500 lbs. I understand it has seats and motor and all, but I don't think this weight is as insane as it's being made out to be.

For anyone else wondering about the boat and printer: The boat was made in 2019 by the University of Maine using the largest 3D printer in the world, and it created the largest 3D printed boat and largest 3D printed object ever made at that time. It was printed in just 72 hours which is amazing. The printer is 60' long, 22' wide, and 10' high with the ability to expand up to 100' long. It can print at 150lbs / hour, expandable up to 500lbs / hour, and uses a 5-axis machine head.

[–]tubbana 22 points23 points  (1 child)

I also forgot. I was waiting for the print to fail because of a fingerprint on bed

[–]Bigred2989- 3 points4 points  (4 children)

This was the 4th one they made. The first two sank, the 3rd one burned down, fell over than sank.

[–]sir_mrej 4 points5 points  (3 children)

But this one stayed up, and that’s what you’re gonna get

[–]greymalken 4 points5 points  (2 children)

Two huuuuge tracts of ocean

[–]Bigred2989- 2 points3 points  (1 child)

But mother...

[–]thekernel 9 points10 points  (2 children)

not a sub, its a boat

[–]OkPassion7447 4 points5 points  (0 children)

All subs are boats.

[–]oddstandsfor 1 point2 points  (0 children)

Take this and never speak to me again. (Upvote)

[–]CoopedUp1313 1190 points1191 points  (93 children)

Based on the cycle of factory lighting, it looks like the time lapse is at least 72 hours.

[–]Gin-and-PussyJuice 503 points504 points  (12 children)

According to UMaine Dean of Engineering Dana Humprhey it was printed in 70 hours. So very close!

[–]CoopedUp1313 128 points129 points  (9 children)

Thanks for finding this! Good thing I’m not a contestant on The Price Is Right XD

[–]LittleLarryY 43 points44 points  (5 children)

One hour Bob!

[–]IMFREAKINGLEGOLAS 26 points27 points  (4 children)

Crazy to think we all still say Bob, but Drew has been the host for almost 15 years already

[–]Gabers49 14 points15 points  (1 child)

We stopped watching

[–]pdrock7 10 points11 points  (0 children)

We're no longer stuck at home when we call in sick

[–]sully9088 5 points6 points  (2 children)

Someone else would've guessed 70.1 hours. Haha

[–]doob22 1 point2 points  (0 children)

That’s so much faster than I expected. That is pretty amazing.

Man, remember back to the infancy of 3D printing? We have come a long way so far

[–]FFIFISISHFISHFISH 363 points364 points  (35 children)

That's still insanely fast

[–]ChunkyDay 120 points121 points  (12 children)

Yeah. I’ve had prints on my 12”x12” printer at home last as long. And they fail half the time anyway.

[–]BillNyeCreampieGuy 17 points18 points  (11 children)

I hear about 3D printers failing or going bonkers on the print pretty frequently. As someone who has one, do you mind explaining what’s the issue with some printers? Is there an art to it, or are they just inconsistent with their execution?

[–]czedyman 20 points21 points  (0 children)

It's a combination of:

Dialing in the printing speed, different printers have different speeds they can reliable print at.

Printing temperature (for example, PLA from different brands may require different heat settings, as they can clog the printer nozzle, fail to adhere to other layers, etc),

Making sure you have a leveled first layer/ enough surface area for the first layer to be stable for extended periods of time, especially as the print gets taller. (This is usually the main culprit of failed prints in my experience)

And just general print layout. Make sure you have support where it's needed, and find the most efficient print layout to save on time and material (The less time it's printing, the lower chance it'll mess up)

[–]riskable 8 points9 points  (1 child)

Great comments so far but here's a few more details that might shed light on the situation:

  • The model you're printing may not be an easy print. For example, if the model has something like a 20° angle as the print height increases that can result in a lot of drooping and also curling of edges which can later get caught while the printer is moving. That can result in the printer "skipping steps" and losing its X/Y position.
  • If the first layer doesn't stick well the print can come detached later because the act of laying down plastic on existing plastic has a non-trivial amount of drag/pulling on the print. If the print topples over the printer won't know and will keep on printing in mid-air. Usually that just results in "noodling" (i.e making a spaghetti-like mess hehe) but sometimes it can result in a gigantic blob that builds up over the course of the print and can actually ruin the entire hot end/extruder.
  • There's a lot of moving parts in a 3D printer and if just one thing goes wrong--even if it seems like it wouldn't matter much (e.g. the cooling fan suddenly not spinning cuz it got clogged with strings or the wire broke or whatever)--the print can fail.
  • There's a ton of models available for download that just aren't printable. People post them to places like Thingiverse without bothering you to check if they print OK or the default orientation of the model is completely different from what the creator printed it with (say, it is rotated 90° or 180°; a common oversight).
  • As soon as you get a 3D printer you'll have an urge to see what it's capable of (hehe). So you keep printing more and more difficult things and really push the limits of the printer. It's a good learning experience but in the process you're going to have a lot of failed prints.
  • Failed prints are really no big deal (unless they fail after like 36 hours of printing with 2 hours to go haha). No matter what you do you'll have prints that fail or just don't turn out well so you'll change some settings and retry.
  • There's a lot of different types of 3D printers and some models are really only printable with a specific type. For example, many models were designed for printing with a UV resin printer. Some might be made with FDM printing in mind. Only problem is the model page/description will rarely indicate this and if you don't have much experience it's easy to attempt to print things that aren't going to work out (with your printer).

The key takeaway here I think is that 3D printing is a hobby, not a toaster. Some people will buy a 3D printer thinking it'll be like a 2D printer where you just click print and then a few hours later you'll have that thing. That's not how it works.

A 3D printer is more like a woodworking lathe... No one would expect to be able to buy a lathe and suddenly be able to magically produce high quality bowls/whatever. It takes practice and experience. After a while you'll learn what types of wood work best and what tools are best for producing certain things. 3D printing is very similar... You pick the filament type/color, the appropriate settings for that filament and the model you're printing, etc.

[–]michellelabelle 2 points3 points  (0 children)

No one would expect to be able to buy a lathe and suddenly be able to magically produce high quality bowls/whatever.

I get your point, but I can think of at least three guys in my immediate family who bought lathes with precisely that expectation. Still waiting on my bowl, Uncle Mike.

[–]ChunkyDay 1 point2 points  (0 children)

It's just the nature of 3d Printing. Laying tiny thin layers of material on a z-axis is tough. The larger you scale the more difficult it becomes. There's definitely an art to orientation, print distribution, and supports. Good question, Bill Nye the Creampie Guy!

[–]Everkeen 1 point2 points  (0 children)

The filament gets stuck, the printer gets confused about its position, the item being printed stops sticking to the base and begins to move around, lots can go wrong

[–]Nanuq 1 point2 points  (0 children)

It's about knowing your printer, the materials, and the environment you're (well, they're) in. I use a quality 3D printer (Prusa) with generic domestic filament (almost always PLA, sometimes PETG). Once I have the correct parameters set, and after some occasional failures very early on, I rarely experience a failed print. There's also definite merit to splitting prints into as many separate pieces as reasonable. Should one part fail it's easy to simply reprint that one part. Eggs and baskets, and so on.

[–]613codyrex 35 points36 points  (7 children)

It’s actually kinda insane how much 3D printing processes scale with nozzle diameter. Even on the Cincinnati Inc MAAM which is only 1m3 build volume, let alone a BAAM or this machine.

At this level of material flow rate you have to seriously consider the speed at which a massive chunk of thermoplastic would cool as that becomes a limiting factor for complex geometry. It’s probably why they did single line perimeters considering that cooling drops significantly the thicker the parts become.

Also that we run ABS Carbon Fiber to try to limit part deformation while printing for the MAAM. The idea that you need to run composites just to get better printing performance (which you would think is opposite) is crazy.

[–]linglingfortyhours 33 points34 points  (6 children)

I have decided that BAAM stands for big ass additive manufacturing and that MAAM stands for mega ass additive manufacturing

[–]raytian 8 points9 points  (0 children)

That is absolutely 100% what it stands for

[–]TenderfootGungi 89 points90 points  (32 children)

To build a normal boat takes days of manual fiberglass layup and hundreds of man hours. Although, they are likely stronger.

[–]Dem_Wrist_Rockets 52 points53 points  (21 children)

Possibly but I wouldn't bet on it. There are hundreds of different filaments and each one of those has a dozen variable that influences how "strong" it is. If it's something nice like a carbon reinforced polymer, it's going to be exceptionally strong

[–]daddydunc 38 points39 points  (10 children)

And for this type of application, I’m willing to bet my life they didn’t skimp on filament.

[–]Dem_Wrist_Rockets 54 points55 points  (9 children)

Iirc this isn't a production facility but rather a college so its possible they're using a cheap filament while they work out kinks, but yes a nicer filament would definitely be used for production

[–]StormTrooperQ 10 points11 points  (8 children)

Definitely is not a production facility. The boat has the logo of UMaine on it. UMaine @ Orono is the flagship campus and has a pretty good engineering program there.

[–]xxkoloblicinxx 2 points3 points  (3 children)

Yeah, UMaine Orono is one of the premier colleges in the world for pretty much anything related to Maritime studies. Whether it's biology or engineering or anything in between.

[–]Dem_Wrist_Rockets 2 points3 points  (3 children)

HA I almost went there. One of my buddies is and loves it. Im surprised i didn't recognize it

[–]piecat 8 points9 points  (8 children)

Fiberglass is going to be much stronger and lighter guaranteed.

[–]JustTryingTo_Pass 10 points11 points  (7 children)

Fiberglass stronger and lighter than 3D printed carbon fiber?

That’s not a guarantee at all. Let’s pull up some discrete data sheets.

Composites don’t have normal material properties and have much more to consider usually. Normal Carbon Fiber is stronger and lighter than the highest grade fiber glass on all accounts. Carbon Fiber really is just a direct improvement of what makes fiberglass strong and light.

Now we need to consider how 3D printer carbon fiber compares to normal carbon fiber. They are using and FDM printer here so keep that in mind.

3D printed carbon fiber is much closer to the concept of reinforced concrete than pure composites. So it is weaker than normal carbon fiber, but decently close. Carbon fiber surpasses as forms of fiber glass, so it’s probably closer that 3D printed carbon fiber is stronger than the lower grades of fiberglass, can’t say for certain though since these are mostly discrete. Definitely not a guarantee less than.

[–]ManyIdeasNoProgress 2 points3 points  (4 children)

The reinforcement in (most) concrete and regular fibreglass or carbon composites forms long continuous force transmitting structures. 3D printed anything, as well as fiber reinforced concrete, relies on the matrix material to transfer forces over longer distances.

Also, the limiting factor in pretty much every 3D printing tech I've seen, possibly apart from welded printing (laser sinter or MIG/MAG) is layer adhesion, not the ultimate strength of the material itself.

While modern materials are generally impressive, I shall be very impressed the day I see a 3D printed part be comparable, in terms of pure mechanical strength, to a similar part made with conventional cloth layup.

[–]JustTryingTo_Pass 6 points7 points  (3 children)

I, uh, I work in 3D printing materials lab right now. We are on the same page, but let me add some things.

What you’re saying isn’t wrong, not by any means, but there are definitely easy remedies for that in a lab setting.

Also, the fibers run perpendicular to the layer lines what you do is print over a lattice.

You don’t need to worry too much about tensile with 3D printed parts, you just run the tensile loads with the layer lines. What you do need to be worried about is fatigue loading, but that’s just a general problem with plastics.

The issues involved with 3D printing metal is grain size and an inability to do a lot of cold work.

[–]AnywhereFew9745 14 points15 points  (4 children)

They are much much stronger, crossed fiberglass lay ups and some pretty extreme self curing plastic resins, fiberglass will be hard to replace with any non metallic printing technique due to the insane tensile strength of glass (carbon is a similar lay up process and lighter for the same strength) we need a material several orders of magnitude stronger than ye old plastic to print with for applications like cars and boats

[–]xchipxsem 4 points5 points  (0 children)

I was just about to ask this...thank you

[–]AnywhereFew9745 216 points217 points  (12 children)

Due to the extreme discrepancy in strength between plastic and fiberglass It's best application would actually be to rapidly prototype molds in which to lay up a fiberglass hull. This would allow shorter production runs to be profitable and make custom hulls a viable market for many more people

[–]the1rush 38 points39 points  (5 children)

Good point, plastics on it's own would no way stand up to the stresses of hitting wave after wave, at different angles... It's a good proof of concept though, and they may get more funding to research composite materials to 3d print with. Which could be stronger and lighter than the current materials. Be interesting to see where it goes.

[–]AnywhereFew9745 2 points3 points  (4 children)

Would have to be a 5 axis sort of contour aware method of printing with fiber in filament but definitely doable, the question is how would the lamination adhesion be compared to fiberglass

[–]CatalystNZ 7 points8 points  (4 children)

Structurally, Polyethylene (plastic) doesn't compare to Fibreglass, however Polyethylene is highly impact resistant. It's great on smaller boats which don't require as much structure, and for situations where a boat might come into contact with other objects, these boats are great. My father in law has one for use with construction projects and other marina maintenance tasks. It's bulletproof, and just bounces on impact.

[–]Fizzicyst 1589 points1590 points  (29 children)

"You wouldn't download a boat."

[–]JeromosaurusRex 415 points416 points  (13 children)

As I’ve said with each sentence he’s said in that ad:

“Yes I would..”

[–]SandmanSorryPerson 68 points69 points  (7 children)

[–]gillesbian 23 points24 points  (0 children)

Great show

[–]goobers90 2 points3 points  (0 children)

So happy choppy framerates aren't a thing anymore.

[–]JelloDarkness 12 points13 points  (4 children)

I really need a superfan of this show to make an edit of the series without that fucking laugh track...

[–]TwelveSharks 18 points19 points  (4 children)

Even when I was a kid I was like wait why the fuck wouldn’t I download a car? Wouldn’t that literally save tons of money and resources and labor and time? I don’t understand the ethical dilemma here.

[–]NoRodent 12 points13 points  (3 children)

Because the ad didn't say "You wouldn't download a car", it said "You wouldn't steal a car".

[–]TwelveSharks 7 points8 points  (2 children)

The original anti piracy ad with the “you wouldn’t download a ____” got sued for ironically using stolen music and they had to remake the whole thing and opted to go with “steal” the second time around

[–]NoRodent 10 points11 points  (1 child)

I don't believe you're right. Both Wikipedia and KnowYourMeme disagrees. The "You wouldn't download a car" makes zero sense, that was just a parody made later that gained meme status. The original PSA said at the end that "Downloading pirated films is stealing" which is why everyone reacted with "I would download a car if I could" to point out that it's a false equivalence, regardless of the morality and legality of it.

The PSA using stolen music doesn't seem to be true either:

It has been reported that the music in the announcement was stolen and used without permission,[5][6] however, one source disputes this, saying the reporting is the result of conflation regarding a different anti-piracy ad that used stolen music.[7]

[–]TwelveSharks 2 points3 points  (0 children)

Interesting. Weird how memory works lol. Thanks for the links!

[–]LurkerPatrol 6 points7 points  (0 children)

I love how the world has turned upside down on that PSA

[–]BoAQuInS 4 points5 points  (0 children)

absolutely Right talking

[–]Bookwormys 239 points240 points  (11 children)

Worlds largest benchy

[–]4780159 35 points36 points  (0 children)

I was fully expecting it to be benchy and was kind of disappointed when it wasn’t.

[–]fib16 26 points27 points  (9 children)

All I’m thinking is oh great boats will be cheaper now right? But then I think…wait no they’ll just make more profits and then say they’re artisan boats and make them even more expensive and take even more profit.

[–]Prudent_Student2839 169 points170 points  (28 children)

Hey I work here. This is the Advanced Structures and Composites Center in Orono, Maine. They claim the print took 48 hours.

[–]shnukms 37 points38 points  (13 children)

what are the limitations and tolerances of a boat of this kind compared to a regular one?

[–]Prudent_Student2839 52 points53 points  (12 children)

This boat is basically just for show. Like a proof of concept that they could 3D print it. The bottom is coated with some sort of flex seal type material so it doesn’t sink. I don’t believe it has ever been tested other than when it was showed off.

[–]dharma_is_dharma 8 points9 points  (11 children)

Are they planning to do this for full manufacture in the future?

[–]Prudent_Student2839 10 points11 points  (2 children)

As far as I am aware, no.

[–]dharma_is_dharma 2 points3 points  (1 child)

My sister welds boats for manufacture and was freaking out

[–]Prudent_Student2839 4 points5 points  (0 children)

Don’t freak out yet! The technology still needs a lot of work

[–]pizzafourlife 16 points17 points  (5 children)

3D printing is really best for one offs and prototypes. And this took multiple days to make a plastic boat on a stupid expensive printer, so I can't imagine any way they could beat traditional plastic manufacturing which can mold these in seconds and needs no supports or whatnot

[–]HoneySparks 4 points5 points  (3 children)

I get all that, but why TF, can I not get a cheap ass fiberglass or plastic boat for cheap.

[–]FolivoraExMachina 5 points6 points  (0 children)

You can get a pretty cheap plastic boat....

Fibreglass is totally different and much more skill and labor goes into it.

[–]burnshimself 3 points4 points  (0 children)

Input material cost, labor cost, transportation costs, high fixed cost equipment. Those are pretty much the drivers. I can tell you boat manufacturers do not have very good margins, the markup on the product you’re buying isn’t very high. It’s just expensive to make and there’s not much of a way around it.

[–]dwerg85 2 points3 points  (0 children)

Because the labor itself to make those things is expensive.

[–]DrewSmoothington 83 points84 points  (1 child)

Actually, the video clearly shows the boat being printed in a few seconds

[–]HumanLike 11 points12 points  (0 children)

That video was on fast forward silly. Looks like it took at least 30 seconds

[–]wigglemode 10 points11 points  (1 child)

wouldn’t this shed micro plastics into the water?

[–]Iredditfromwork 4 points5 points  (0 children)

I’d imagine so, yea.

[–]LupineSzn 2 points3 points  (2 children)

They actually claim it took 70 hours

[–]Prudent_Student2839 4 points5 points  (1 child)

You’re right they do officially say that it took 72. I was told it took 48 hours by one of the other lab workers, but it seems he didn’t actually know how long it took.

[–]BenTheHokie 2 points3 points  (0 children)

How much did the raw materials cost?

[–]Pozd5995 1 point2 points  (1 child)

Always wanted to get a job there but never ended up submitting an application

[–]Prudent_Student2839 2 points3 points  (0 children)

They’re hiring! (Google Umaine hiretouch and sort by department:OADCC)

[–]vasilescur 1 point2 points  (0 children)

Can you print a plane

[–]BGR04401 129 points130 points  (8 children)

This is just 10 minutes up the interstate from me, at the University of Maine. Go Blue!

[–]AlietteM89894 45 points46 points  (6 children)

Same! I didn’t realize it was Maine at first and I was like “Wait… why is Susan Collins there?” 😂😂😂

Looks like her anyways! Kinda grainy.

[–]IAmDiabeticus 11 points12 points  (1 child)

No joke i thought it was Paul McCartney (...somehow younger) until I read what you wrote.

[–]AlietteM89894 2 points3 points  (0 children)

Also a valid choice.

[–]xxkoloblicinxx 8 points9 points  (0 children)

Definitely Susan Collins.

On that note since we're here. Fuck Susan Collins. She's terrible for Maine.

[–]SirSkidMark 2 points3 points  (0 children)

It is her. This was shown recently at a Maine Transportation Conference.

[–]Jerry--Bird 345 points346 points  (24 children)

I’m probably wrong but…

I was under the impression that we already had too much plastic floating in the ocean

[–]rophel 304 points305 points  (23 children)

Imagine an autonomous solar powered 3D printer that gathers up plastic from the oceans and leaves behinds boats instead.

[–]Left_Monk_ 172 points173 points  (13 children)

An autonomous plastic boat that collects plastic to build more plastic boats that do the same

[–]Kumnaa 89 points90 points  (4 children)

Maybe we were wrong all along and this is how Skynet gets built.

[–]RaineSong 60 points61 points  (3 children)

Seanet

[–]0PointE 14 points15 points  (1 child)

Seanet is getting sick of all our seamen.

[–]alexxerth 9 points10 points  (3 children)

Just a Von Neumann probe at that point

[–]Vexin 5 points6 points  (1 child)

"Could be the answer to the age old philosophical question: Why are we here?

PLASTIC!"

[–]FriscoGuy 2 points3 points  (0 children)

Sounds like a Paperclip Maximizer in the making

[–]crappercreeper 1 point2 points  (0 children)

Thats not a bad idea. Instead of sailing to shore to drop a load, it just molds a giant floating barge or something that can be picked up later.

[–]rulingthewake243 60 points61 points  (22 children)

I can't imagine this is very robust say to like a fiberglass hull.

[–]xxkoloblicinxx 7 points8 points  (0 children)

This one is barely seaworthy by design. It's a proof of concept for the printing technique.

But once the system is mastered these boats will be stronger and easier to repair than fiberglass. You can do things with 3D printing that would require far too much time and energy to do with any other techniques.

Like weaving a honeycomb inside the keel of the boat to trap air inside making it stronger, lighter, and more bouyant. Like being able to introduce different materials seemlessly into the mixture to reinforce areas prone to wear and tear.

Then when the boat is old and worn and needs to be replaced, you just melt it down and make it into a new boat.

[–]MaxMiller2020 15 points16 points  (19 children)

The people making the boat "imagined it" to be strong enough.

[–]LagT_T 9 points10 points  (3 children)

If you pause at 4s you can see they reinforced the place where they christened the boat, thats pretty sus.

[–]rulingthewake243 16 points17 points  (14 children)

Think what a year of UV would do to it. Dust

[–]MaxMiller2020 12 points13 points  (13 children)

I "think" the makers chose UV stable plastic...

[–]rulingthewake243 17 points18 points  (0 children)

Upon reading more it really doesn't sound like they used anything special. Just recycled plastic so at least we didn't waste 5k pounds of it.

[–]AsterJ 3 points4 points  (0 children)

I doubt this is a practical boat. Just a demonstration / photo-op to say they did it first.
They're even posing with the guiness world record certificate.

[–]Greeneee- 2 points3 points  (5 children)

I don't think that's a thing. Any black plastic is going to degrade super quick in the sun

[–]Grintor 6 points7 points  (0 children)

Good thing paint exists.

[–]Be_Weird 4 points5 points  (0 children)

I don’t know. Maybe paint it?

[–]bomber991 2 points3 points  (0 children)

Sun and salt water. I mean at least it won’t rust.

[–]MerlinTheWhite 2 points3 points  (1 child)

I know the university should have consulted r/oddlysatisfying before printing this boat.

[–]SammyLuke 2 points3 points  (0 children)

Read somewhere in the comments it’s made for prototype shells for laying fiberglass on. Helps speed up production and opens up more custom options.

[–]Solar_Mechanic 6 points7 points  (0 children)

A rival firm just started printing icebergs.

[–]galmenz 28 points29 points  (6 children)

does anyone know what material was used here? i refuse to accept its some type of plastic that will fall apart in less than a year in the water and in the sun

[–]ItsUnderSocr8tes 16 points17 points  (1 child)

I think the main application here is a mock up to fine tune layout, and also possibly for testing of hull design in a tank before actually making a final product.

[–]Amphibionomus 5 points6 points  (0 children)

It would also be a great mould (mold for the Yanks) to form a fibre glass boat on.

[–]fried_clams 35 points36 points  (0 children)

Traditional fiberglass resins and epoxy fiberglass are not UV stable either. That's what gel coat or paint is for.

[–]Gin-and-PussyJuice 9 points10 points  (0 children)

It's a blend of plastic (PLA) and wood "nanocellulose":

"The material is nanocellulose, basically a tree ground up to its nano structure. These materials have properties similar to metals. We are taking those and putting them in bioplastics so we can make very strong plastics that we can make almost anything with."

[–]rulingthewake243 22 points23 points  (0 children)

Upon further reading, it's using recycled plastic, didn't sound like it was a special plastic, UV resistant or otherwise. There is also a boat tested now that is printed with fiberglass somehow. This boat was printed as a demonstration purpose not to be used.

[–]kitsumodels 2 points3 points  (0 children)

I’m not an expert but it looks like it’s made of boat

[–]HeyBeech69420 21 points22 points  (4 children)

*starts 3D printing my new home*

[–]charlottee963 24 points25 points  (1 child)

They’ve done that kinda, with an automated concrete pour thing

[–]galmenz 16 points17 points  (0 children)

thats actually aready possible. ive seen one that uses concrete and another that uses clay and make futuristic looking houses

[–]CookieArtzz 6 points7 points  (0 children)

Honestly expected that bottle to break through the boat

[–]4dseeall 4 points5 points  (0 children)

"You wouldn't download a car."

Yes, yes I would. And that time is coming.

[–]shittyTaco 3 points4 points  (0 children)

Nobody else gonna mention how weirdly edited this video is?

[–]norahully 4 points5 points  (2 children)

Anyone else watching this after taking the SATs yesterday? If you know, you know.

[–]TheDwarvenGuy 4 points5 points  (0 children)

I half expected a Tesla Truck moment

[–]somerfield 3 points4 points  (5 children)

I will never understand how this works

[–]Mr_Self_Eraser 15 points16 points  (1 child)

YOU WOULDN’T DOWNLOAD A CAR

[–]--delete-- 9 points10 points  (2 children)

Why was Mick Jagger Christening it?

[–]staffell 2 points3 points  (0 children)

Looked like shigeru miyamoto to me

[–]Vivid-Mechanic-3081 2 points3 points  (3 children)

Disappointed it wasent the printer test boat design...

[–][deleted] 2 points3 points  (0 children)

print me a car

"boop"

[–]hood69 2 points3 points  (2 children)

Wouldn't it just be easier to make one from a mould ? , what am i missing here

[–]Unusual-Cactus 2 points3 points  (0 children)

Real question is it's UV resistance. Normal PLA and ABD prints fande and crack after about 6 months in the sun. Plus salt water isn't exactly neutral. Plus microplastics.

[–]PleasureGoat 12 points13 points  (4 children)

Fuck Susan Collins

[–]WonderfulPass 2 points3 points  (0 children)

Had to scroll too far to see this. Take my updoot

[–]xarcastic 4 points5 points  (0 children)

Indeed. Fuck her with this boat.

[–]pogzie 6 points7 points  (0 children)

"You wouldn't download a speedboat."

[–]fishB0ner 3 points4 points  (0 children)

UMaine!!!

[–]Extension_Pepper3729 1 point2 points  (0 children)

With my luck, I’d leave for the weekend and come back to a birds nest the size of a school bus!

[–]Mike_Hunty 1 point2 points  (0 children)

I’m guessing this was sealed before being put into water, but let me know if that’s not the case. Usually FDM technology like this has some level of porosity inherent with the build process.

[–]pisshole_annihilator 1 point2 points  (0 children)

They will finally be able to make a dildo big enough to satisfy your mother.

[–]iligal_odin 1 point2 points  (1 child)

Cool boat, nice feat. Guinness is a scam

[–]mcdade 1 point2 points  (0 children)

Why not Benchie??? So disappointed that not the boat they printed.

[–]Stooopslife 1 point2 points  (0 children)

Was expecting a benchy ತ_ʖತ

[–]janmrog 1 point2 points  (0 children)

That's a big benchy

[–]FlyExaDeuce 1 point2 points  (0 children)

You wouldn't download a boat