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
88 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. ...

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