Linked Questions

3
votes
1answer
8k views

Boolean Modifiers not working normally [duplicate]

When using a Boolean modifier on an object, the "Operation" choices (Difference, Union, Intersect) are all not working normally. Choosing "Union" makes it do the effect of "Intersect" and "Difference" ...
2
votes
1answer
14k views

Objects disappear when adding boolean modifier [duplicate]

I am following an example from a book using Boolean modifier to cut hole in an object. I have two 3D objects overlapping and when I apply "difference" operation, the first object disappears. It's only ...
0
votes
1answer
2k views

Boolean not working for all faces in an object [duplicate]

Blender 2.79b, Win7/64... I've combined several mesh objects into one (using Join) in order to operate on them all with one Boolean shape without having to duplicate lots of modifiers (and other ...
4
votes
2answers
1k views

Boolean Modifer + Animation Problem [duplicate]

I am currently using a Boolean Modifier to animate half of object to disappear. I have already tried a fading away affect with a transparent Shader, but it takes about 5 hours to render each frame ...
1
vote
0answers
973 views

(SOLVED: Negative Scale) Boolean leaves a (gaping) Hole [duplicate]

No pun intended! I am trying to use booleans as a way to make a "cage" room for bolts in a bike part, but the problem is i am left with see through holes instead of a partial cut of the geometry. ...
3
votes
1answer
643 views

Can't do subtraction with Boolean modifier [duplicate]

I'm trying to get my hands into Blender after months using Sketchup and facing the limitations of that last one (subtracting shapes is limited to PRO and even in pro, it is still quite limited). I ...
0
votes
1answer
553 views

Boolean Subtraction Problem [duplicate]

Hello Mighty Stackexchange, I'm trying to subtract some cylinders (place for LED's) from an object. It looks like this before subtraction. But when done subtracting, I'm left with this. Info on ...
1
vote
1answer
251 views

Boolean half the time doesn't work but does union? [duplicate]

Im not sure if Im doing something wrong here or what is happening but about 50% of the time whenever I do a normal boolean difference modifier, if I have at all modified the big object previously, I ...
0
votes
0answers
454 views

Another Boolean problem with sculpt addon and union [duplicate]

I had the horns and the head as separated objects and to union them i used a boolean modifier. The problem now is that as you can see in the image there are holes after i smoothed it in the sculpting ...
1
vote
1answer
89 views

Help with joining parts of a model using boolean modifier [duplicate]

I'm trying to merge together two parts (the ones in the images) of a model using a boolean (union) modifier, but I get an error saying "Unable to execute boolean modifier". I browsed around a little ...
1
vote
0answers
98 views

Boolean modifier "Cannot execute boolean operation" [duplicate]

I'm currently making a Rook chess piece on Blender. I've been trying to use the boolean modifier to subtract a part of the chess piece. The first application of the boolean modifier worked. However, ...
0
votes
1answer
40 views

Boolean difference not working properly [duplicate]

I'm trying to cut a piece out of an object I made by extruding a plane several times. As usual, I'm using a boolean difference, but for some reason (and it's not the first time this happens to me), ...
1
vote
1answer
55 views

Boolean Not Working The Way I Think It's Supposed To [duplicate]

So When I do a Boolean Modifier on the Sphere, and select a torus surrounding that sphere, I expect it to do what it first did in the middle, but it just cuts a hold straight through it.
0
votes
0answers
50 views

Why do booleans sometimes not work? [duplicate]

I've been designing some straight pipes lately. This I do by creating an outer cylinder for the outer diameter and an inner cylinder for the inner diamter and applying a difference boolean operator. ...
0
votes
0answers
40 views

Boolean applied, but not changing geometry [duplicate]

ETA: I'm new to the Blender Stack Exchange, so I'm not sure where/how to upload my .blend files. ETA2: Here is the file - I'm trying to trim one object around the edges. So I have 2 objects: ...
0
votes
1answer
51 views

Boolean intersect behaves sometimes unpredictably [duplicate]

I'm having some weird and mostly unreproducable error concerning the boolean-intersect modifier. In rare cases, it does not cut objA along the edge of objB but rather along the contour. See the ...
0
votes
0answers
38 views

Boolean Difference Modifier only adds [duplicate]

In this Video you can see how applying the difference modifier only results in merging the object into the other object. I tried doing the thing in Boolean difference modifier merges two object but ...
1
vote
1answer
29 views

Why the dark objects won't be differenced from the base object? [duplicate]

I made the objects by creating a cube in Object mode, going into Edit mode, deleting the vertices, clicking shift+LMB new vertices, making a face and extruding. On the light colored objects, I can ...
2
votes
0answers
32 views

Boolean Difference doesn't work despite all efforts to fix meshes [duplicate]

I am trying to carve a groove into an object. This works with other objects after some mesh fixes but not with this one, which was created using a surface nurbs curve (duplicated multiple times, then ...
0
votes
0answers
32 views

Can't perform boolean difference with an imported collada object [duplicate]

I imported a Collada file created on Photoshop (turning a png into 3d plane), then extruded it in Blender. The reason for that is that this is a complex object to create with curves myself so I ...
1
vote
0answers
30 views

Boolean Not Working Properly (Partial Cuts) [duplicate]

I'm trying to make a click pen mechanism, where a piece in the center of the cylinder in 1 spin locks in place, and in another spin it slides into one of the slots. I need to cut out part of a ...
1
vote
0answers
30 views

Boolean not working [duplicate]

For some reason the boolean difference won't work. I'm trying to use the "123" to carve holes into the "Cube.622" https://www.dropbox.com/s/l3n3p2swgzq2z7g/Church.blend?dl=0 link to the file
0
votes
0answers
28 views

Boolean doesn't affect my object and i don't understand why [duplicate]

I'm doing this tutorial: https://www.youtube.com/watch?time_continue=307&v=WxMwa0njGSM and by 5:11 min you can see, that the guy makes a cylinder to cut a part out from the anvil. I understand ...
0
votes
0answers
21 views

Boolean difference acts differently for different planes in the same object [duplicate]

I've got on object made with two walls and a floor for a virtual room, shaded as an Eeevee shadowcatcher, and have created some transparent cubes to act as window openings in the walls. So, the room ...
0
votes
0answers
16 views

Boolean works on one side of my model, but not the other [duplicate]

I have a case i am trying to cut out sections with a reference cylinder, but on the right side of the left axis the model cuts out from the reference, but on the left side nothing happens at all, ...
0
votes
0answers
11 views

Boolean Unite doesn't work [duplicate]

It quite often happens that when trying to unite two or more meshes using the boolean operation (regardless if via modifier or hotkeys or BoolTool) one or more of these objects just disappear. I ...
16
votes
1answer
74k views

How to cut holes in an object using another object?

I'm trying to model a M16 but I have a problem with cutting the holes on top of the handguard of the weapon. As you can see in the picture above, I have tried to cut holes into the handguard (The ...
4
votes
1answer
11k views

Can I "fill" an empty object?

I have this weird object (vascular tree) which is empty inside, but closed from the top and the bottom: However, it is empty inside, which makes me unable to use boolean on a bigger object (I want to ...
8
votes
2answers
1k views

What are face normals?

I've seen the term Normal being used in many places, but I'm not quite sure what it is or what it's used for; what exactly are they?
3
votes
3answers
3k views

Boolean Modifier Issue. Object 1 wont cut through object 2 for some reason

I am trying to make an object cut through another object by using the boolean modifier. I tried using the difference and also tried intersect but to no avail. This is what I am trying to achieve. ...
0
votes
1answer
3k views

Boolean intersect with plane makes object disappear

I'ts been 10 hours of researching, watching tutorials, trial and error and yet i still cannot figure this out. I have 2 planes, one being my water for my city and the other being the ground. I'm ...
1
vote
2answers
6k views

2.8 Having trouble with Boolean Modifier

I am trying to follow Andrew Price's Anvil tutorial using Blender 2.8 and the 'Difference' modifier just isn't working for me. I don't have the 'Maximum Draw Type' that I can change from solid to ...
0
votes
1answer
3k views

Cutting heart shape in a mesh

I am new to blender and have been having issues with something I thought is relatively simple. I tried looking for answers to this but could not find anything that can help me. Basically, I followed ...
1
vote
1answer
2k views

Boolean Union making part disappear

I know this question has been beaten to death, but I have tried all the solutions, and none of them work (manifold, normal's, triangulate, splitting it into simpler parts) Im trying to add hoses to ...
1
vote
0answers
1k views

Boolean modifier difference not working with complex mesh

Thanks for reading me. I've a mesh and a plane. I want to make a difference of the two meshes. But it's not working. This is the step I completed so far: On the plane Solidify On the other mesh ...
0
votes
3answers
388 views

Difference Boolean modifier. How do I get it to work with my mesh?

I want to make a screw head, but I can't get the cross in the screw head; the Boolean modifier doesn't work. Link:
0
votes
2answers
684 views

Weird Boolean Modifier glitch (double faced after intersecting with more than 1 mesh?)

I have a boolean modifier with the following settings that is modifying the object outlined in green with the following settings: where Cube.018 are the 'ribs' around the edges (they are all joined ...
0
votes
1answer
666 views

Boolean problems, object is left as a hollow mess

I'm extremely new to 3D modeling, just started today actually. But there have been some problems with the boolean modifier that I just cannot google my way out of. First, when I'm trying to carve out ...
0
votes
1answer
616 views

Difference Boolean 2.8 not working as expected; Weird shading and not removing face

I'm only on my third day of trying out Blender after hearing about 2.8 changing the workflow. I followed the classic donut tutorial and now I wanted to try a simple project of my own. I'm trying to ...
0
votes
0answers
410 views

Boolean modifier not working correctly with all vertices?

I have been trying to figure out what that problem is for this and I would REALLY appreciate the help from anyone. This is the area that I wanted to boolean. Steps I did was I select the cube and ...
0
votes
1answer
294 views

Boolean Intersect/Difference Only Uses Edges

This question is very similar to this question, (if not, a duplicate) but I wish to add a few more details of my own. (The question is also still unanswered...) I am following Andrew Price's Anvil ...
1
vote
1answer
293 views

Problem with boolean operator, operation "Difference" bettwen two simple objects

Good day, dear advanced users of Blender! I am starting to work with Blender and have such occasion. There two objects: -the lighthouse and -the cube. I am trying to create the window in the ...
1
vote
2answers
343 views

Partial shape subtracting using the Boolean modifier

I want to subtract the upper cylinder from object below. Using the Boolean modifier in difference-mode, the complete object disappears. Here is the Blender-File PS. I am new and almost always ...
1
vote
1answer
197 views

Boolean difference - Confused

I'm very confused about the Boolean difference modifier. I'm modelling a concrete road block for use in a board game. I've created a basic shape and now I want to create grooves in the side by ...
1
vote
1answer
205 views

Boolean modifier not working with hiccup

Newbie to blender here, I've done quite a bit of searching through the rest of the forum for this answer but I'm sorry if it's already been asked. I work in a medical office and we might possibly be ...
2
votes
0answers
200 views

Why do Boolean operations tend to fail on overlapping faces?

Very often I'll get erratic results with a Boolean operation on two objects with overlapping faces. The most usual result is missing faces in the combined object, or else internal faces are left after ...
0
votes
0answers
178 views

problem with boolean difference

I need to make a cut to the second floor walls object so I created a boolean roof object at the proper angle that envelopes the portion of the upper wall to be removed. I checked for inverse surfaces ...
0
votes
0answers
154 views

Boolean doesn't work after making several on one object

I am designing a first aid kit in blender, and I have a foam insert that has booleans/holes in it for items inside the kit so it fits snugly. I have made 6 out of 8 boolean operations successfully, ...
1
vote
0answers
131 views

Blender 2.81 Boolean Bug

Basically boolean union operation gives my mesh additional verts and edges I don't understand how and why it added them. I'm using blender 2.81 My blender file: http://pasteall.org/blend/index.php?...
0
votes
0answers
126 views

Boolean difference not cutting all holes correctly within for loop (python script)

I have a strange problem with a python script. I am generating an object with holes cut out of it in specific locations. The script works well for all of it except for one specific and weird problem. ...

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