Questions tagged [modifiers]

Modifiers are automatic operations that affect an object in a non-destructive way. Use this tag for questions pertaining to modifiers and their usage inside of Blender.

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4 votes
2 answers
492 views

Can't find the Modifier section in Strip properties to use curves

I am using Blender to do video editing, for most part it has been great. I have been using these tutorials : As you can see from the video there seems to be Modifier section in properties of the ...
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12 votes
3 answers
27k views

“Cannot execute boolean operation” when subtracting several spheres and cylinders from cube

This is a follow-on question as suggested by a commenter. What I'd like to do is to create a geometry with the following properties: A cube with several spherical indentations carved out on top. 16 ...
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4 votes
2 answers
1k views

Why does attached Python script produce error "Cannot execute boolean operation"?

I am trying to create a 3D model using Python scripting with Blender 2.69. I start from a cube and subtract several spheres from it to make indentations. I then form a ring out of four cylinders and ...
  • 263
7 votes
1 answer
769 views

How can I scale a subsection of a mesh created with the screw modifier?

I've created a mesh that somewhat resembles a phone cord by following this tutorial. Now I want to modify a subsection of the structure. Specifically, I would like to scale down the "diameter" of ...
3 votes
1 answer
3k views

Applying shrinkwrap modifier corrupts the shape

I've added lots of circles around a mesh in an effort to retopologize it with BSurfaces later. But I never get so far. I've applied shrinkwrap on them all with the ...
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3 votes
1 answer
2k views

Blender skin modifier error?

I'm following a tutorial and not getting the result I'm supposed to after applying the skin modifier. Before applying the skin and mirror modifier: After: i get these bounding boxes around the ...
8 votes
3 answers
6k views

Material to generate a mountain

While trying to find some information about low-poly mountain, I end up finding this image explaining the material the person used to make his mountain and I thought it look really cool, but it was ...
  • 83
6 votes
1 answer
1k views

Why does Subdivide Smooth look different when compared to the Subsurf modifier?

When I choose the Subdivide Smooth option in edit mode it looks different from the Subdivision Modifier. Not only is it smaller but also the shape of the one from edit mode seems distorted.
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38 votes
3 answers
79k views

Is it possible to apply modifiers to multiple objects at once?

You can copy modifiers from one object to other objects with CtrlL> Make links > Modifiers, or the Copy attributes addon. However, is it possible to apply modifiers to many objects at once?
  • 155k
4 votes
2 answers
611 views

Cutting centered hole in mirrored object with subsurf

My problem, as you can see on the image below, is basically that the subsurf interpolation of the centered hole in that mirrored plane does not transform into a circle as intended. I know that this ...
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5 votes
2 answers
337 views

Blender show array instances as wireframe

I have an array in my scene and my computer has some trouble showing them in the viewport. Is there any way that I can get the instances to show up as a wireframe mesh or maybe even a point cloudor ...
user avatar
7 votes
1 answer
2k views

Create Square Array

I have an object that I want to make a square array like a 3x3x3 cube. I want be able to change length and count for one axis and have all the other ones follow.
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18 votes
5 answers
16k views

How can I create a hollow sphere with regularly spaced holes?

My latest attempt has involved a hexagon shape repeated with array modifiers. I then tried wrapping this over a sphere with the shrinkwrap modifier, but that didn't seem to work so well. I couldn'...
12 votes
3 answers
2k views

Why does subsurf modifier cause weird deformation at the end of a cylinder?

My problem is simple. I think that the strange deformations on the top are there because there are so many vertices in one face. How do I fix this while maintaining nice topology? Although I ...
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4 votes
3 answers
575 views

Duplicating surface of cube adds a circle to it

I have recently started learning 3D modelling in Blender and I am making model of a Rubik's Cube. Here is what I have done: Added Bevel and Subdivision Surface to the default cube for smoothing its ...
13 votes
5 answers
8k views

Array modifier (vary textures on duplicates)

Using the array modifier and textures, can the individual array objects be slightly textured differently for individual look?
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11 votes
3 answers
48k views

Cut mesh at intersection

I have an extruded rectangle that intersects the side of the cylinder. I need this extruded rectangle to cut a hole out of the side of the cylinder. Below is a picture: (Ignore the middle segment) I ...
  • 7,833
7 votes
2 answers
1k views

Stretchable pipe (for export to Unity)

I'm trying to create a pipe that will bend and stretch, which I can then export to Unity. Bending I can do, but I have no idea how or if I could stretch. Is it possible? Thanks :) What I'm aiming for ...
6 votes
1 answer
10k views

Remove sharp or jagged edges in mesh

The problematic edges are small, convex, sharp protrusions on a larger concave, smooth surface. Edge split, smooth, and subdivision modifiers do not achieve the smooth surface I'm looking for. Is ...
53 votes
3 answers
259k views

How can curves be converted to meshes?

Is is possible to remove the curves and only have the mesh of a tree that was created with the saplings add-on? I'd like to apply a decimate modifier to have a few low-poly trees, but this doesn't ...
  • 38k
8 votes
3 answers
3k views

Map ocean displacement to a sphere?

Is it possible to create a "spherical ocean" effect by mapping an ocean texture to a sphere? I tried baking an ocean simulation, loading the .exr images ...
  • 155k
3 votes
2 answers
3k views

Can modifiers be computed and applied from the command line?

For heavy modifiers, the time it takes to compute can range between a few seconds to half an hour or longer. Can modifiers be added, computed, and applied from the command line with some sort of ...
  • 155k
5 votes
2 answers
724 views

To what plane curve does a Catmull-Clark subdivision converge?

1 BU ×1 BU plane, 10 levels of Subdivision Surface modifier set to Catmull-Clark: That's not a circle. What is it? (Mathematically, what's the limit surface of a Catmull-Clark ...
  • 9,274
24 votes
3 answers
55k views

Convert Cycles Hair Particle System to Mesh Object

I'm hoping this community can help me solve a issue. I have created a cycles hair particle system to render grass. This is successful in rendering and works great. However I want to convert this ...
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3 votes
2 answers
2k views

Why does my boolean keep flickering?

I'm using multiple modifiers and my boolean keeps flickering - sometimes it can't make the boolean work.
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6 votes
2 answers
2k views

Render a cut through a mesh

I would like to render a cut through an object using Freestyle. Is there a neat way to cut away a part of the mesh in the rendering (not for real) without using The cut tool (manipulating the mesh) ...
4 votes
1 answer
947 views

Prevent legs from coming out of socks [duplicate]

I imported makehuman model with stockings to Blender, cut the stockings and made socks out of them. My problem is that the legs are coming out of the socks in some of the animation frames. For now, I ...
13 votes
4 answers
5k views

Adjust random seed of displacement textures

How can I adjust the random seed used for the textures in the Displacement modifier? For example, I have a Displacement modifier using a Voronoi-Minkowski 4 texture that creates a nice look for a ...
  • 9,274
7 votes
3 answers
14k views

How to deal with Cannot Execute Boolean

Some times when using a Boolean modifier, it will return the error "Cannot Execute Boolean Operation". This will often happen with multiple Boolean modifiers. Here is an example file. What causes ...
  • 155k
35 votes
1 answer
44k views

Rotating each iteration of an Array Modifier

Is there a way to rotate each iteration of an Array Modifier? For example, I've created the helices of a DNA molecule, and I'm trying to add the base pairs. I've got a cylinder with an array modifier....
  • 9,901
10 votes
1 answer
1k views

Mirror an object via modifiers on a point(instead of a plane)

I would like to use modifiers to mirror and rotate an object. Or simply, mirror on a point, not a plane. Left on the image is the simple mirror modifier using the x-axis. I want to have the situation ...
  • 203
4 votes
2 answers
424 views

How can Edge Loops stay aligned when using the Subsurf Modifier?

I manually aligned each vertext of both marked edge loops in the first image shown (additional edge loops on mudguard and the doors). When a subsurf modifier is added the gap becomes too large as ...
  • 38k
3 votes
1 answer
2k views

Add build Modifier to Dope Sheet? [duplicate]

I have a ton of things building in my file, but I need to be able to retime them. So say I have on part starting to build at 200frames and it builds for 100frames. I need to be able to change the ...
9 votes
2 answers
1k views

How can Waves of the Ocean Simulator flattened on a Beach Area?

I'm currently trying to flatten waves of the ocean simulator on a beach area using a lattice. But sometimes the end of the waves mesh becomes visible. When the influence of the lattice is increased ...
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3 votes
1 answer
2k views

Boolean modifier messes up material assignment [closed]

I have a car that has two materials assigned to it. When I apply a boolean modifier to the car it tweaks all the colors that were assigned to it. Why is this and what can I do about it?
6 votes
1 answer
4k views

Subdivision-surface giving strange geometry with tris

When I try to create a geometry like this I get defects like this that also show up in the render How could I avoid this? I am using a 2 times catmull-clark subdivision surface modifier
3 votes
1 answer
798 views

Getting vertex weights with the vertex proximity modifier

I am trying to use the Vertex Proximity Modifier to update vertex weights and hoping to be able to read the same with Python. I have a plane and a vertex group called "all" (which includes all the ...
7 votes
2 answers
2k views

Can I use an image sequence with offset frames as a texture on array items

I'm creating an animation of a film bed with a film strip running through it. The film strip is basically just an array object with a curve modifier. What I want to do is use an image sequence for the ...
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13 votes
3 answers
4k views

Is it possible to prevent a Displacement modifier from affecting certain parts of a mesh?

A Displacement modifier is doing a great job making a mesh look a realistic object, but there are certain spots, such as a dozen or so vertices at one corner of the mesh, where I don't want any ...
  • 3,060
10 votes
4 answers
7k views

Smooth displaced mesh

Whenever I use a Displace Modifier, it looks like it does no interpolation of my height map. Green is how it should be, Red how it is. Notice how the mesh is dense. The texture I use as height-map is ...
  • 2,801
11 votes
2 answers
3k views

How can I get the Solidify modifier to apply after a texture displacement?

I'm working on the center cup part of a daffodil, and this is my current setup. I have textures that are mapped such that they displace the geometry the way I want it. I then have a Solidify modifier ...
12 votes
3 answers
11k views

Fixing a messy boolean operation

I'm splitting an object with a plane using a boolean modifier as described in Split a mesh with a plane. Roughly: Duplicate the object. Add a plane. Apply an intersection Boolean modifier to the ...
  • 9,901
3 votes
0 answers
317 views

Soft body cloth meshes being affected differently to each other

I have created four objects using soft bodies to simulate cloth which are being affected by force fields (wind) but two are behaving abnormally and I do not know why. I have posted images (click for ...
  • 1,649
15 votes
1 answer
2k views

Access skin modifier radius data

With Skin Modifier, we can "weight" a vertex (in Edit Mode) so that the resulting Skin mesh is bigger or smaller - similar to Curve objects which has "Scale Feather" adjustable. Manually, we can hit ...
14 votes
1 answer
2k views

Applying Dupli-Objects

Is it possible to bake dupliverts into one mesh for the BGE? (I have a large ground landscape that I use as the parent to duplicate trees, and the BGE doesn't support most modifiers.)
19 votes
1 answer
49k views

Split a mesh with a plane

I'm trying to split a mesh into two pieces along a plane like in this video, using Blender 2.62. The closest I can come to splitting a mesh into two pieces along a plane is this: Add a plane Grab ...
  • 9,901
7 votes
1 answer
3k views

Ocean modifier and foam data export?

It is there any way to export the foam data generated from ocean modifier to use it in other render engine, like LuxRender? The manual says that the foam data is stored as vertex color data, but there ...
  • 237
13 votes
5 answers
4k views

Best way to "sculpt" sphere-shaped holes on a sphere surface?

Sorry for the confusing title, the best way to explain it is to look at my image (don't pay attention to the lines connecting the holes and sorry for the poor quality) I have been thinking about this ...
  • 133
14 votes
3 answers
27k views

How should clothes be modified to fit a character model?

Starting with a prefab model of t-shirt I tried to scale it to fit better but the result isn't satisfying. Some parts of the models mesh become visible. Is there any option or modifier that could ...
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