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5
votes
2answers
2k views

How to fill an object with smoke

I want to produce an object that looks similar to this: It's basically a plain and simple sphere. I know how to adjust the reflections and transparency using the material properties, but, how can I ...
5
votes
2answers
2k views

Lighting without highly visible shadows

How I can achieve lighting that we have in Autumn mornings using cycles ? We have some ambient light with very blurry shadows - I'm thinking about something like this: https://farm4.staticflickr.com/...
3
votes
0answers
490 views

OSL: Giving the texture method a color instead of string

Is there a way to give the OSL method texture(string, float, float, ...) a color input instead of the string which reads an image file? Or is there any type of ...
1
vote
0answers
817 views

poseBone location and rotation from poseBone matrix

i have a skeleton and computed global(armature space) matrix of each bone for posing. to get relative rotation and location(for keyframes) i am doing this: ...
2
votes
1answer
1k views

Access Bone Coordinates using Python API

I'm trying to export bone coordinates using ob.find_armature().data.bones. I made a test file that has two connected bones, and set these position values manually ...
1
vote
1answer
221 views

Best/ preferred way of storing Image references?

I'm currently working on a project-specific addon where I'm dynamically loading and removing images on the fly. So far I've gotten away with a simple ...
3
votes
1answer
431 views

Snap to own mesh

I know this is possible and I have probably activated something by mistake and now I can't figure how to reverse it. When I use the "snap during transform" it only snaps to vertexes/lines/faces in ...
0
votes
0answers
122 views

Getting XYZ and RBG (+time) data of custom 3D model

I haven't used Blender before but as far as I know it's used for 3D modelling and animation. I'm currently working on a project that would create a hologram alike image/animation in real time using ...
11
votes
2answers
1k views

Why are straight lines sloping in render?

Why are the walls in my architectural renders sloping and how do I fix this?
1
vote
1answer
588 views

Python: Access mesh selection history data

I want to write an addon that can combine two selections with a logical AND. For example, the user use via normal gui bpy.ops.mesh.select_similar(type='LENGTH') ...
5
votes
1answer
9k views

I have two edges that intersect, how do I get a vertex at the intersection point?

I tried adding this edge with the knife tool to no avail, it won't add in the desired vertices. Is there any other way to add these vertices and have them connected to both edges like the ones above? ...
0
votes
0answers
151 views

Cell fracture causing additional non desirable geometry. How to fix?

I'm trying to use Cell Fracture addon to 'break' simple building model but it causes additional geometry which makes model very ugly. Original model: After Cell Fracture: I understand it is ...
9
votes
2answers
12k views

Is there an Inflate/Deflate Mesh option in Blender?

I want to know if there is a tool that I can use to inflate a mesh like a balloon or a cube or anything else. And the same question, just for deflate, so a cube goes in on itself (collapses).
0
votes
1answer
439 views

Blender 2.49b Mesh Unwrap Issue

I'm making some models for a fighting game and recently I have a problem while texturing. When I unwrap my mesh, there are single faces which I didn't mark seam, and they are missing from the whole ...
4
votes
1answer
1k views

Driver is not working as expected

I have put a driver in the z rotation of an empty and made the variable a single property, where the path is the count in the array modifier. My expression is ...
2
votes
1answer
1k views

“Smooth Vertex” wrinkles mesh instead of smoothing it

How is this smoother, it keeps wrinkling everything like forking pie crust pie wrinkles http://ball2000.net/blender/images/GeeThanks.jpg
5
votes
1answer
1k views

What is causing pinching artifacts in this mesh?

So, I just was trying to get back into blender, and I made a cup. Unfortunately, this cup has some issues right at the bottom of the inside, and I can't figure out why. You can download the blend ...
1
vote
0answers
164 views

I am having problems with how an object appears to be shaded?

Why does this happen? What am I doing wrong. It looks horrible
8
votes
1answer
6k views

Random maps in cycles

I want to assign a "random" factor to my materials. I want to load 5 different diffuse maps in my material and assign the same material to 300 objects. The "random node" should take any one of the ...
2
votes
2answers
3k views

Is there any way to clean a triangulated mesh? [duplicate]

I've been handed some off the shelf meshes to use and I'm finding a number of them have really dirty geometry which is causing an issue with rendering them in (three.js). Screen shot of the geometry ...
0
votes
0answers
79 views

Is my fire animation rendering right?

I'm trying to make an animation of fire, but while it's rendering it just looks like a big gray box where the fire is supposed to be. Is this normal?
0
votes
1answer
818 views

How to combine many faces into single face

I created a dice using a tutorial. When I export it I see that it has about 10000 faces. My problem is how to join all the faces of the dice, so it only has 6 faces in total, like a cube has. I want ...
0
votes
1answer
51 views

how to make the separated vertex is the active object after separation with python?

I am trying to make a simple script but I have a problem,the problem is when I separate some vertex from my mesh and go to object mode the active object is the unselected vertex,so how to make the ...
2
votes
1answer
760 views

Copying Armature through Python API

I'm writing an exporter, and I want to transform an armature to Y-Up coordinates without actually saving it back to the blend file. So, here's my transformation matrix: ...
2
votes
1answer
579 views

Remove Unnecessary Confirmation Popups — resolved, but why not effective?

So there's this ticket from about a year ago and it all seems to have been fixed/improved, meaning there shouldn't be blocking "Delete OK?" popups anymore. However for me in 2.72b there still are. ...
2
votes
3answers
945 views

Optimise triagular mesh on model for a given triangle size

Hello there Blender community! I am a Blender noob and am helping a mate come up with a solution for a work of art that he is putting together. Basically we are going to create a 3D model of a scale ...
9
votes
1answer
2k views

Approach for a Cheese material with SSS in Cycles?

I want to make realistic looking cheese, I think the best way to do it is by using Subsurface Scattering in some way. Here is a reference image.
19
votes
5answers
38k views

How to scale along the local axis of an object?

I have an object which is rotated and not parallel to any axis. The picture shows how it looks if I scale four vertices along the y-axis. How can I extend the vertices along the local axis of the ...
1
vote
1answer
313 views

How to disable the face overlay in the UV editor?

Is it possible to disable the transparent face overlay in the UV editor? Since the opacity of each face is added to the collective opacity of all the face under it, sometimes with many faces in the ...
0
votes
0answers
129 views

Revert parts in a Multiresolution sculpt to their original position?

Is there a way to selectively "undo" sculpting deformations in a Multiresolution sculpt? Sort of a "bring back the base shape" brush or similar.
3
votes
1answer
451 views

Is there a way to clear the “info” editor?

Say there was a mistake in a script, it didn't compile. In an info area that's bigger then just a small strip, there will be one or more red error messages. How to get rid of them with a keypress?
2
votes
0answers
171 views

Locking Face Area in Edit Mode

I've get a mesh with a uv image texture on it. I'd like to animate peeling the surface off. I'm trying to do with by duplicating a square region of mesh, and animate it peeling back using shape keys. ...
4
votes
2answers
721 views

Show only certain curves of multiple layers in graph editor

I'm struggling with the animation workflow in Blender. One of my biggest issues is with displaying only relevant curves in the graph editor. So say I want to change the z-location curves of 20 layers. ...
3
votes
1answer
2k views

How to adjust brightness and contrast on background images?

Is there a way to adjust the brightness and contrast on background images?
2
votes
0answers
1k views

How to use the golden spiral composition rule [closed]

We've all heard of this magical thing called the golden spiral, which derives from the golden ratio; However, I feel like there's a general confusion around how to use it in the composition of an ...
2
votes
1answer
915 views

Graph in blender

Is it possible to plot a graph in blender from a formula using python, suitable for printing on A4; and if so, could someone point me in the direction of a tutorial?
5
votes
1answer
2k views

how to get number of selected vertex and the number of total vertex with python?

how to get number of selected vertex and the number of total vertex with python? and how can I select an object by its name and make it the active?
1
vote
1answer
205 views

Script method to trim mesh objects

I went away and learned some OO in python, and now I will pick up where I left off - creating mesh objects from mathematical expressions. In the simple test below, I would like to cleanly trim the ...
1
vote
1answer
2k views

Boolean Union vs Difference Error - Swapped Behaviour

I've been working happily with Blender all this week and last, performing hundreds of operations, many booleans, and getting good results in a rudimentary model for a small enclosure. Today I've ...
1
vote
1answer
836 views

Delete mesh layers

How can I delete a member of object.data.polygon_layers_float? I only see a .new() function.
4
votes
1answer
752 views

Why blender is not saving used Images

I was wondering if someone could explain me why blender is not saving images when I save the project? I know that this is treated as external data and it's not really big deal to save it manually but ...
2
votes
1answer
468 views

Weird blender game engine python problem

I was trying to create the illusion of a building being destroyed as soon as there is a collision using python. Everything seems to work fine when I use a cube, but it breaks as soon as I use the real ...
2
votes
2answers
2k views

Changing object dimensions along Y axis - scales Z axis

I am a bit confused about axis systems in Blender. In the first figure - the green and blue represent the Y and Z axis. When I translate the object in Y,Z directions it moves perfectly. However, when ...
1
vote
2answers
1k views

How to set the value of a string property when a button is pressed? (Not in bge)

How can I set the value of a string property when a button is pressed? Just to clarify I don't mean in the blender game engine I mean in "regular" scripting.
1
vote
0answers
144 views

How to find out if the nla editor is in tweak mode

How can I verify with python if the current strip is in tweak mode? I know I can call the operators bpy.ops.nla.tweakmode_enter() and ...
1
vote
0answers
237 views

Is there a quick way to override the UI widget for a single property in an addon?

I'm experimenting with an addon that has multiple properties. I want one of them to be a drop-down that lets you pick from the list of armatures. I have found example code where you can override the ...
3
votes
1answer
29k views

Baking normals from high to low poly mesh for game object

I modeled a high poly gun and uv unwrapped it. I then duplicated the object and removed a whole lot of edge loops to make it lower poly (3500 tris for the high poly gun to 350 tris for the low poly). ...
3
votes
3answers
287 views

Dots show on Volume material

So I've done the atmosphere, but the Volume material has given it loads of dots. I assume this is the resolution of the Volume light but is there a way to get rid of them without bumping up the ...
2
votes
0answers
64 views

Blender saying 91 uses of image when only 6 materials [closed]

I am working on a script that adds materials and it deletes all the materials in the scene if they have no users. Which seems to be working great, but if I check this: ...
2
votes
1answer
798 views

Orange squares appearing on render?

I'm trying to render a scene in Blender, and as of yesterday (it was not doing this when I was working on it 2-3 days ago), I am seeing orange squares dancing around the rendered image. Google tells ...

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