I built a LEGO vacuum that sorts your bricks! (From The Office)

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Unnecessary Inventions is the brainchild of product designer Matty Benedetto, where he designs & builds 2-4 brand new products each week that solve problems that don't exist.

[@dwdesign2873]

this is probably one of the most useful ones yet. literally throw your bin of lego across the floor and go over it with this

[@macwhatwho]

This one would be awesome for preschool and big families with young kids. I think the manual one would be better for us just needing organising. more eco friendly!

[@GrenTheProto]

Yes

[@shalimarlake7852]

Biggest issue with it is it doesn't look like it actually sorts them properly

[@sourfar]

@@shalimarlake7852 yeah

[@beefburito]

@@shalimarlake7852 yeah, he definitely cheated a little to make it look like it performed better than it does. The main problem is that the holes up top get blocked up, so smaller pieces can't get through. He'd need some kind of agitator to shake them up and allow the small pieces to get through the holes. Also, the "print only the infill for better flow" approach was probably counterproductive, since it would disperse the suction force over the whole surface of the filter, rather than suck pieces toward the holes. With some kind of basic agitator, like what you see in high-end shop vacs in order to prevent the filter getting clogged, and properly printed parts, this could actually work, but it would be way more complicated and way more work than just printing a few disks with cutouts.

[@k.o3064]

“These things are too expensive!” Matt 2 minutes before: “I just bought a robot dog!”

[@EnderRobber101]

True

[@chubbysumo2230]

The robot dog probably cost less than those Lego.

[@davemonster2]

Doggy Mc Dogface!

[@bim_2587]

@@chubbysumo2230 ?

[@campbellwinslow6986]

@@chubbysumo2230 per ounce? The legos absolutely cost more than the robot lol

[@ryderwebb3]

Jumping Jerry should be the name for the Robo Dog

[@eroark79]

Very useful product. One modification I would attempt to make to see if it would work correctly is to try an air mattress pump. Some of those pumps pull and push quite a bit of CFM air and would make it more compact without the need for a shopvac

[@MeakinGrainger]

You should name the dog T.U.R.D. or TOTALLY UNNECESSARY ROBOT DOG

[@Criteez]

Lool

[@abeffchop]

Y.e.s Yo Everything should like Sir you are smart

[@BEM684]

This is the way.

[@flapersnaperalt]

yesssss

[@donevans1148]

This is the way

[@ArchiChakraborty]

Maybe add a functionality to shake up the compartments periodically so that the pieces stuck at an awkward angle, or smaller pieces stuck above a larger piece can pass through to their actual compartment

[@vxnte5576]

Like a slider at the bottom of the connect 4 game

[@sainteagle4426]

Good idea, the tube should have like a motor connected to it that would keep it constantly vibrating so that each piece stuck at an awkward angle will eventually get sifted through.

[@jimmerseiber]

Vibrator

[@logi2356]

you know you could just manually shake it at the end, but I think it would be great to see this project over-engineered

[@wolvenar]

Fins at an angle on each bottom side to direct airflow may agitate them enough to ensure the sorting.

[@Mjdecker1234]

This is awesome. With maybe a few more designs, it could be 99% accurate, as you can see some got stuck once the bigger pieces came in, but still got me to sub

[@djispro4272]

You make some of the most awesome videos outside of tech (my primary hobby)! Keep on making these videos!

[@topperhatschire]

I would honestly buy this. My son's room is a landmine of Legos

[@superplushiebrosukgaming5189]

My room is filled with Lego

[@iQueeneth]

rip

[@alexakis458]

Yes 🤣 I I definitely need it

[@RockyFoxxowo]

Just divorce your son

[@SuperTiffyLynne]

My son might enjoy the vacuum more than the legos. Lol

[@bigoldpp9542]

The only problem is the big bricks build up on top trapping some of the small bricks, but other than that, where can I buy one?

[@tonberryking42]

I mean, sure, but any mechanical agitation should allow the smaller pieces to filter through.

[@cygnet6]

@@tonberryking42 so tape a vibrator to it and it's good?

[@andreawalker8003]

I need it

[@andreawalker8003]

NOW

[@yoloboy03]

Ok but I saw big lego pieces, how did they get through the tube?

[@dinaannnirenstein87]

I love this! My sisters and I used to have a baby toy that (when shaken) sorted various-sized mini-spheres in a similar-yet smaller- multi-level cylinder. You know what would be cool? For another LEGO accessory, people would love a plastic dome to house completed LEGO projects without having to destroy them, and which would simultaneously serve as translucent mobile cases, each molded to cover the entire [architectural] surface area, correspondingly. i.e., White House, Guggenheim, etc.

[@ytuser4562]

Every time I watch his videos I get so jealous of how amazing his makerspace house is

[@alexandreblracing]

Your inventions are getting more and more useful over time.

[@ryangoff1127]

The dog should be called Bark Rober!

[@drenz1523]

omg yes

[@elisalabarge3516]

I was going to come up with a clever name but damn I don't think I can do better than this lol.

[@rustybuildz]

Yes

[@rosanesunshine5608]

This is great ! I would add one more layer at the end for the dust . So if there is any dust while vacuuming it would be easy take the last one with dust and dispose the dust in the garbage.

[@monhi64]

So I’m curious how does the infill pattern increase suction? I would’ve thought the more airflow there’d be less suction. Now instead of all the air pulling through the holes its spread out over a way larger area. But either way pretty interesting

[@rickschoofs4891]

Really usefull invention, perhaps another filter for the realy small parts that are 0,7 mm in diameter / square. And a nice name for the robot-dog could be Lego-las.

[@zman4002]

It's a dog, not an archer lmao

[@pon197709]

Nah joe

[@zaydmazouz6193]

Calling this invention "useless" is an understatement, this is the most useful

[@Gertyutz]

You can just pour the bin full of Legos into the top, and eliminate the vacuum cleaner.

[@dude6074]

"just suck it" really got me😂

[@kre4ture218]

4:53 coke-heads be like

[@jonathansung667]

Quick idea: if you design the plates so they can rotate independently from the housing and add spiraled grooves on the bottom of the plates it will rotate, further optimizing the self sorting

[@Brick_Science]

I approve of this!!

[@azurakakya8868]

Holy i am first :D

[@Searchin4keys]

@@azurakakya8868 how dare you i am second

[@abeffchop]

What how

[@aixfort]

Thats actually really smart idea

[@terrencedent3071]

Seeing Daddy Wallace in a hot tub and yelling "SUCK IT!" really awakened something in me. Glad his vision has come to life.

[@mr.universe740]

This also reminds me of the LEGO vacuum from the LEGO Batman games.

[@talonredfeather3986]

Was looking for this comment

[@rileyparish5149]

It's always sad to see channels like this one not staying true to their origins. This invention is just way too necessary to be found on "Unnecessary Inventions" ;) I enjoy your videos, keep up the good work!

[@mrsquid_]

I'm pretty sure he always somewhat didn't stay true to that. i feel like it's always been a bit sarcastic. most of his videos are" never in hell would i have thought of that but it's absolutely necessary" kidnapping videos EDIT: *KINDA

[@brrrrrr]

Unnecessary does not mean useless

[@R0DBS2]

0:06 Needles, and Screws: are we a joke to you?

[@xientau9028]

It seems to work fine for large and medium pieces, but what about the really small ones, like 1 point studs? Do they get sucked straight into the shop-vac?

[@madeintexas3d442]

I just printed something for the first time yesterday with no infill on the top and bottom. It acts as baffles in a speaker it seems to work well you can definitely hear the bass more.

[@micahordus5813]

You should add an even smaller compartment for any dirt it picks up

[@samster7640]

It's still attached to a shop vac... So all of the dust will still end up in the shop vac bin

[@swaggychicken.]

Printers can't print that small and it is already attached to a vaccum why would you need a dust compartment

[@riccardobrandolini2545]

Maybe just a dust filter at the bottom

[@RogerGarrett]

The output of the Lego sorter goes into the Shop Vac itself, which already has the filter to catch any dirt.

[@austinchoong7146]

You can improve it easier by at the flat parts of the coloured sorters, make it slopes so Lego won’t get stuck there

[@xxportalxx.]

I'd replace the holes in the classifier plates with just plain grates of differing grid size, there'd be less for the bricks to catch on and more airflow.

[@ochowells]

If you put string instead of plastic - like a tennis racket. Then there would be no shaking nessasary as it would not be able to balance

[@MojitoMouse]

When I was a kid, my dad made me something similar (but a bit more primitive) to this: A bead vaccuum! :D He put two holes in the lid of a medium/large jar, put a plastic hose in each hole, and attatched one of the hoses to the sucking end of an electric air matress pump.. :P I could then use that to pick up all the pearls and beads I had dropped on the floor while playing with them! :D Honestly, witnessing all of my dads ideas while growing up really made me love invention and innovation.. ^^

[@imnotabot.]

5:36 does no one really mention the large plate in the top tube that never could have been sucked in like that?

[@wolvenar]

Fins at an angle on the bottom of each level will stir them all and ensure that all get sorted correctly

[@milomaz1]

I think 2 things that would truly take this to the next level would be rubber gaskets between each section to reduce the air slipping out of the space in between the 3d printed rings. And secondly a small offset motor spinning to gently vibrate the chamber would be great to make sure the small pieces don't get stuck on the ledges.

[@jayspell179]

You don't need a second motor, but a fan blade in each chamber, which would turn with the suction, and keep the pieces from getting stuck. It could be 3d printed to mount onto the bottom of the component above it with a 1m steel rod for an axis. This is actually a pretty good invention, speaking as a grandfather with a grandson who has many Lego blocks.

[@Nirrrina]

Lego should contact him to make this an actual sellable product. I'm sure there's tons of people who would love this. From parents/caregivers who want to quickly pick up the kids Legos. To adults who want their Legos quickly sorted so they can get started on their new masterpiece of complexity.

[@Azurath100]

Also can be used in competitions.

[@SkyGamer911]

i' juåst take myp duåal mo¨to¨r vacuåuåm and clean u all o¨f i't p

[@NonsensicalSpudz]

1:30 yep lego is already plural

[@corex72]

Rover, is the best dog name ever.

[@legomaniac4689]

This is one of the best inventions, as a huge Lego fan with at least a couple hundred thousand to my name, and constantly building on the floor, this would be great

[@bpizzayes]

You should call your “dog” zoro and make him a croc collar

[@lynnjo2010]

This is awesome!!! When will it be on the market to purchase?!?

[@MmmmmmmmTaters]

I like how when he started the “commercial” there was a huge flat green lego in the canister knowing damn well its to big to fit

[@nottelling6598]

You could set it up like a shop cyclone dust collection system. That way all the tiny legos still end up sorted instead of in the shop vac.

[@Bhalv]

Name the dog unnecessary

[@grw13]

I saw this video forever ago. Today, I just saw a clip from Shark Tank and the start of the “Pick Up Bricks” Lego vacuum. The timeline seemed to be a bit after this. When I was watching that video, I instantly remembered this. I wonder if they also saw this 🤔

[@HypnoMotion]

I need this!

[@milkymoo_]

you should name the robodog Stickbug! the way it bends it's legs reminds me of a stickbug lol

[@oliverklein6300]

If it also sorts by colors, you're my man 😆

[@lambui1774]

Bro imagine just saying “pick those Lego off the floor”

[@rental_buckete4631]

Candice would be a perfect name for the dog with no hidden meaning

[@lilliansnide4073]

I feel like your inventions just keep getting more and more necessary.

[@karjay0428]

Wow, you've grown your channel so much. I remember when you had like 10k subs, great job man :)

[@Definitely_Melnyx]

Mr Beast video was helping a lot and shorts ofc.

[@cyclops8238]

This device would be perfect for schools and daycare centers if they own Lego

[@person-lg6jh]

that “I SeE You” had me nightmares for 3 weeks 😭

[@gammaao]

5:37 how did the green big piece fit in the small vaccuum hose?

[@LinhLinhBD]

he bullshiting it. I have this invention at home too, I used a dyson V15 as the vacuum. Much more suction. And the big green piece will not fit any vacuum holes.

[@gammaao]

@@LinhLinhBD chill I know he's just joking. He opened the tube and obviously put the big piece in

[@lordgarak]

A tromel would work better at the sorting. Have the entire tromel system inside a larger container(lego bin) to contain the vacuum. The in port feeds in the uphill side of the tromel and has a fairly fine mesh, then get coarse and eventually gets to lego sized holes. Suction comes from the first section of the tromel with the fine mesh. From there gravity takes over and the rotating action of the tromel breaks the legos away from the suction permitting them to continue down the tromel and be sorted. Bonus points, add a spraybar to wash the lego as it goes through the tromel. Also the original design is far too small and fills up too fast. Anyone who needs one of these has far too much lego for this thing.

[@StephenKoplin]

Holy smokes this is a good idea. I had to look up what a tromel is, but this would solve the issue of losing suction as each bin fills up.

[@docolemnsx]

I don't know how unnecessary your inventions are, but necessary is the greatest understatement to describe this one. I've been brought here by watching hours of similar diy solutions, but I've never thought I could connect the two shop vacs I have at home to one of these - I might even buy a third for the ultimate Suck It 9000

[@JeyoVR]

3:49 Unnecessary

[@xxqox]

Hey! I’m a big fan and love your videos. Your inventions are so cool, unique and also inspire so many different ideas…I think it’s great that you can completely transform an issue into a solution! Great work 👍😊

[@deborahcho1084]

Dog name = Sparky

[@j-man4317]

This is actually pretty useful

[@gabrielplayz8647]

Robot dog name: sparky.

[@ffrreeddyy123456]

Robit dig!!!💛 I love dahgs!

[@ColeV]

1:25 I love you man, everyone is always saying that it's LEGO not LEGOS. Also, nice mustache.

[@with-Aryan]

5:16 the pink 2x4 falls down to the wrong segment ;)

[@jannormannnielsen4371]

How did you get that 6 stud wide plate in the top compartment through the hose? And BTW, sucking bricks through a hose will round the corners and edges over time just like maching washing.

[@johnzoid74]

I believe many sizes of Lego can slide through any size of hole if it enters the hole end first... right? Every Lego end piece is around the same size

[@Orange_Fever]

I at least appreciate that you recognized that the plural of LEGO is in-fact LEGO.

[@RatPac249]

I had to do this invention thing in class when I was 9 and had to draw it and this is exactly what I drew and he just made it but it sorted color to

[@woodboi65]

make a add on that covers the bit that goes into the vacuum so the smallest pieces can get filterd

[@natashasherwin7759]

I NEED this attachment!

[@brziperiod]

5:26 why man's look like a super villain

[@naturalphotographer453]

My guy made his shop vac snort a line of legos

[@Beedulgi99]

I REALLY want one of these now 😅

[@nerdrecall1996]

you should name the dog "spark" like electricity 😂

[@SnakisVR]

Name the dog mr.doggy man

[@2fast2kart]

3:56 SCRIPTITS!

[@dawnp2534]

I've literally dreamed about having one if these as a child

[@valeckseimu3132]

If Small brick stay on bigger One It dosent Fall in the right section...the cilinder should vibrate to move all Pieces and the Circle separetor must rotate

[@noobed9646]

Good vid and amassing idea (for the dogs name i think it can be k-9 or fido)

[@Fnaf10405]

That robot dog should be named Beckett

[@bertenheimer]

It needs a larger opening for the vacuum to get more legos at once to be more satisfying, but anybody could probably do that themselves

[@seanjabezgomez3791]

THE WAVEFORM MERCH THOO👀

[@CincyNeid]

Need one of these for Nerf Darts and Rival Balls .. . .

[@s312a22s]

Excellent little shopvac

[@Doughboi_Snowboi]

Ha big holes, that was my nickname in High School

[@joeyroman7591]

This is very usefull 100%

[@Moxzot]

if you could make the layers shake as they suck it might be even more effective

[@anthonywilliamson2868]

Is this available to buy and ship to the UK?

[@luellalambiotte2238]

NAME IT LA QUEDA YES THE DOG NAME IT LA QUEDA

[@gamingwithmr.fregles8802]

Wait but that's not an unnecessary invention! We need more like this. I want one, but I need a new shop vac. Mine went through a garage fire. It sounds horrible, even after I wd40d the bearings. So hook me up with a shop vac too, lol

[@MrError101]

Stepping on Lego feels good

[@jseaz]

You should use a DUST collector design ... where the heavy stuff falls down

[@tisoyowens724]

When I step on lego I don’t even feel it lol

[@alielsais3876]

Where do you buy it from

[@DaFuqBoom_official.]

I noticed in your video the blue part was so filled up two tiny things couldn’t get past so I’m figuring you should fix that

[@ninjanerdstudent6937]

Necessity could be added to the invention by using it for sorting at a recycling plant.

[@kythedead]

Bro turned into necessary inventions

[@nolongeravailable666]

Dude looks like the Swedish chef if he had a life