7 Boolean Issues in Blender (And How to Fix Them)

[@Marcymeeh]

THANK YOU THANK YOU THANK YOU idk how my object was water tight but i did the weld thinking "how would that even happen there arn't any holes" AND IT WORKED!!! you have earned my respect instantly

[@airena1449]

THE WELD SAVED ME YEARS OF TORTURE BLESS YOU MAN!

[@SasquatchSmuggler]

Exactly the same, a must have for 3D prinitng. You're my hero

[@whynotanyting]

Booleans were always frustrating for me, glad to see the issues are fixable!

[@NightOwlTime]

I have used booleans a lot after a few months foraying into hard surface stuff because theyre just so darn practical. But my word are they also frustrating, learning how to diagnose their issues has been a pain.I think this is one of, if not the best video to assist with any issues you will run into (in most all cases) seeing as I thought I had gotten porked by every possible issue already. But lo and behold, face orientation on the active boolean got me today and this video saved me an unknown amount of time as I had already tried most of what I knew. And not having enough experience to know what to look for I just looked for bolean issues videos again. So thanks for continuing to make helpful videos.

[@Compig44]

Thanks man! Saved me hours of pain and fixed all the boolean problems in my project

[@homborgor]

Just a small tip for anyone, applying all transformations will reset your pivot point on your object, to avoid that just apply your rotation and scale

[@cgboost]

Thanks for the tip! :)

[@MogShade]

Very helpful. You're an excellent tutor. Love your Robotic Planet Class!

[@dwidgit332]

This was a great debugging video! Thanks for putting this together!

[@hellCAT69]

Danke!

[@greenyyin5662]

The orientation check saved my day

[@Reglaized]

I have been trying to solve one problem all day and all I had to do was switch the solver from Exact to Fast. Thank You!

[@systematicpsychologic7321]

Great video. Informative and concise, and a common trip-up with booleans too.

[@StijnBoschloo]

thanks, I wouldn't have come up with the idea to put it on fast instead of exact, and now it works! I was starting to think the boolean just didn't work with a small/complicated mesh, but thankfully it does

[@ray1mc]

THANK YOU !! I've been knocking myself out trying to learn how to "fix" holes in my models. Everything looks great until I slice - then I get the warning regarding holes, or my model not being watertight. No clue how to fix or repair. I've searched KZbin for the answer and although there are so many people donating their time making helpful presentations with tips, tricks and troubleshooting procedures, none of them worked for me. Until now. Thanks for taking the time to help me with such a well done and easy to follow tutorial. Much appreciated.

[@cgboost]

thanks for your nice comment! :) Great to know our video helped ^^

[@brappineau4161]

This is by far the single most helpful video for 3D printing. you just saved my entire 6 months of work.

[@cgboost]

Glad it was helpful! 😊

[@christophersootoo9168]

Thank for thinking about common issues that newbies can run into, and helping us fix them! Also, thank you for creating these scenarios, they helped so much!

[@totoru4ever]

Duuuuuuuude, weld is awesome, I suffered so much not knowing about it! I manually deleted vertices and rewired the edges just the last night! Thank you!

[@SirTotallyAverage]

Switching from 'Exact' to 'Fast' worked for me. Thanks a bunch!

[@Hopeinformer]

I love these videos. Thank you. What about when using text as the boolean? I can't seem to get that one to solve smoothly.

[@Ikxi]

SVGs converted to mesh are.... a mess

[@deltawing9]

Thank you so much! Suffered a bit for these kinds of issues, now I know where to look for the solutions.

[@apexnoobgeneral6877]

never seen such a quality video of tutorial on youtube !

[@half_chub]

i didnt even need to finish your video. just using the bool tool solved my issue with a union boolean that i couldnt figure out for the past 4 hours. thank you for showing me that existed

[@GlimisTechProducts]

Weld was the issue for me too where the hole I cut with bool was still filed in but I could see the cut where it should be hollow.

[@eddiethyette]

Thank you for the video!

[@alexist6847]

You're a hero ! Thanks a lot

[@richstubbsanimation]

Definitely going to enrol now!

[@enishinft]

Thankyou for very easy to understand video. However I'm looking for but never discovered one is that is "How can I bebel edges AFTER boolean?(Only Edges created by boolean)" If you might know...

[@iliyashafiei7859]

thats professional tips from a professional. Thank you

[@igorsiwanowicz512]

That was super helpful, thank you! The Weld modifier fixed my problem :)

[@RicoGG]

Just a note for anyone flustered and confused by the boolean tool. remember to check ALL Y points that have z axis edges. I had 2 y points off by 0.000001 mm and it completely screwed the boolean tool. only took me 8 hours to find the fix. hope this saves someone some time!

[@gokulakrishnanm3083]

weld saved me best video on this topic

[@RicoGG]

oh and thank you for the video. really appreciated it even though it didn't fix my personal issue

[@shoot2kill-k8f]

Very helpful.Thanks buddy.

[@AM-yk5yd]

I've found that these problems are problems not only issues with bool but overall: I do have a habit of running "merge by distance" when moving vertices here and there. Last time I encountered non manifold geometry, it froze blender so much, I couldn't move mouse cursor during edge split. (It was regression in 4.2 and devs fixed it in couple of hours after me reporting it). I also tend to keep normals lines display for faces, though it mostly for scripting. In python scripting normal of mesh depends on order of its vertices. Ie. quad [A,B,C,D] has the opposite normal of quad [D,C,B,A]. I don't remember why I dislike face orientation for it.

[@abanobblackbox]

thank you very much for this awesome tutorial

[@WiiWalker]

Thank you! I was editing some STL files for 3d printing and couldn't figure out why the boolean operator didn't work

[@justinsaunders1147]

question which one applies to if you have two objects joined (ctrl-j) then using that joined object as a boolean against a cube

[@chenkayge9474]

Thank you so much for the really useful video! 👏

[@kalimelenios]

Thank you so much!!!

[@MathewMaths]

Hey, anyone knows how i get that grid cursor that appears in the introduction for modeling?

[@My2Cents1]

My problem is the exact one that is mentioned here, but not covered. After using boolean union, I end up with interior faces from both objects. What I do? Select interior faces doesn't always work.

[@YouLeagoflegends]

You are life saver my guy thank you!

[@BryanKyzar]

You are a life saver!!!! Thank you for this very valuable information! You just earned my sub!

[@peabrainz]

I am almost done on robot 2!

[@elisewarren9647]

omg thank you so much for this!! So Helpful :))

[@mrmagmacube3065]

when i try to use boolean my entire creation turns into a shoelace

[@jakediditagain]

1:16 Holy crap this WORKED

[@Winter_Rei]

I have a question, why when i use bolean once it works just fine but when i move the object try to do it again it wont cut anymore? its not just because im using the same object because even if i try to create another shape and do it with a seperate thing it just doesnt work how do I fix it?

[@Suonifly]

Thanks a lot, tip with weld save me!!!

[@PegasusCZ]

Much thanks to you!!!!

[@vicchaban]

bro my issue is that my part is not showin up into the modifier but it shows in the collection

[@sgasolacewolf4930]

Ok I have a different problem Im making two armatures disappear and reappear right after each other. One boolean cube goes down second one follows at the same time. Problem with the second is for some reason when it gets to a curtain point, the armature is not moving... But the cube turns the same colour as the armature and seems to ignore the fact that I turned show in render off! Not only does it take the armature's colour but it when I go to my objects in my scene's list the cube doesn't have its name anymore it becomes the armature and then blender crashes! How can I fix this?

[@derivepi6930]

I've run into all of those problems - TAB 1 A M - by distance is up there with CTRL Z

[@cgboost]

I hope our video was helpful. ~ Masha

[@Wohodix]

great tuto

[@黄帝一]

After I union three object, and I am trying to perform difference using a 4th mesh, it just does not work... How can I solve this issue? I have to saperate the joined meshes? Itried but it sapetrated in to 9 parts, I have no idea what is going on...

[@cgboost]

Hi, hard to say why it's not working without seeing the file. Could you please post it in the community?community.cgboost.com/ ~ Masha

[@luizfelipemello2360]

Great!!

[@SkeleGorilla]

I am quite new to Blender. When I used boolean difference to make a hole, it shows the hole in layout, but not in modeling. Is that on purpose?

[@cgboost]

hi yes, that's because right now the Boolean operation isn't applied. To see it in edit mode, you must apply the modifier. ~ Masha

[@elifbahadr1198]

Thanks a lot.

[@Ikxi]

Awesome!

[@juju_wattel]

thanks

[@darrennew8211]

TIL there are a bunch of great selection options in the menu for fixing problems.

[@Katelyn-t8g]

does someone know what i could do if my boolean seems to be merging my two objects? i've tried basically everything. my normals are fine, i have no double vertices and theyre watertight too.

[@cgboost]

Hi, you can try to post your file in our community community.cgboost.com/home so we can check the file and try to help you :)

[@moonchild6952]

Same problem. Instead of subtracting it's adding my object. One object has subdivision modifier and other object is normal cube. 😢

[@cgboost]

@@moonchild6952 Hi, can you post the issue description with some screenshots and possibly the file in our community so we have some more information to being able to help you: community.cgboost.com/home ~ Masha

[@moonchild6952]

@@cgboost oh well. I booleaned everything individually all over again. Thkfully i got it after many hrs 😜

[@romulocastilho6506]

Addon boxcutter hard ops

[@Reisen_Inaba]

Very nice

[@Quantum_portal]

if i do subtract thingy, when i try to render it still shows the cutter, how i fix because my 2 braincells cant

[@funnyfactsfallout]

00:33 how to bring up this panel

[@cgboost]

It's done with the Shift+Ctrl+B shortcut. The panel is identical as the one on the right side panel that's enabled by pressing N. There in the Edit section you should have Bool Tool panel (if you have the addon enabled)

[@EengWalker]

thanks bro you saved me :(

[@real2late]

How did you mess some of these up to show the issues? I wouldn't know how to fake the scale to like 200 without atfecting the shape

[@vadimm1658]

I guess he did the reverse first and applied it. For example, he reduced cube by 50 percent, applied it, and then increased it to 200 percent. Same thing with the rotation.

[@cgboost]

Long hours spent in Blender let you experience all kinds of weird stuff and possible issues :)

[@iena_2003]

I have the walls of a building that i used boolean to cut the windows, but when i export in glb (i need this type of file) the walls are null objects and it corrupts the original mesh... Can someone help? It's an emergency

[@cgboost]

Did you apply the booleans before exporting the object?

[@OP4122]

Elite thanks

[@jasongooden917]

My difference and union are doing the same thing both act as union now

[@elessal]

it was the dam face orientation. everything was inverted for me. there should be a red warning notification telling you have inverted faces.

[@chillchamber3056]

Fuck me, the recalculating worked perfectly, you're the best teacher on the app🔥🔥🔥🔥🔥

[@ekoeschannel140]

Solved in less than one minute! Thanks..🤏

[@MATTHEWBARNETT-u5f]

THATS GREAT WHERE IS NTHE BLOODY MENYUBN HUH? HOW DO I EVEMN BRING THEM UPO? WELL DONE GOOT TUTORIAL HELPS NOT ONE BIT IF CANT GET THE BOOLEANS UP

[@KnowArt]

hero

[@chillchamber3056]

I feel like I shouldn't be watching this stuff for free

[@valentinahenaopatino9995]

....tu fuiste el unico que logró ayudarme con este modificador.

[@hellomoderator11]

thank you god

[@tooncobbaut2770]

i think i can give you a lot more issues with boolian. i have some idk how i even got those but none of the things work :-:

[@vienlacrose]

what do you mean by "impossibly flat plane?" unless you're talking about a face or plane that isn't flat (ie: a plane of four vertices with one corner on a different elevation than the others), i don't see what's wrong with the example given here...

[@cgboost]

A flat plane is an example of something "non manifold" since in real world we don't have objects that are completely flat. Even a piece of paper actually have a minimal amount of volum. So a simple plane can be considered as non-manifold object, since it couldn't exist in the real world as it is inside the program. ~ Masha

[@johnbrown7172]

God bless you

[@sharpking12]

thank you very much i am making morpher from Power Rangers Mighty Morphin and i have issues with boolean

[@cgboost]

Hi, What kind of issues do you have? You can describe them and post in our community to get proper help community.cgboost.com/home ~ Masha

[@daz7960]

Спасибо за видео )

[@gonzogorf7019]

No i git!

[@squirrelingaround]

spot on

[@tiagopesce]

bool should be retired.. useless in all situations