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7
votes
4answers
5k views

Set origin to bottom center of multiple objects

I have a lot of 3D objects of various sizes, shapes in blender 2.76b and I would like to set the origin to the bottom center of the objects bounds. I cannot select the bottom edge and snap to cursor ...
15
votes
1answer
14k views

What is multiple importance sample option

What is multiple importance sample option. And the main question is Can It be simulated via OSL shader or in particular glossy shader?
5
votes
1answer
17k views

How to perfectly align UV coordinates automatically?

I have this setup: The mesh is only the visible top side, with a mirror modifier for the bottom part. Now I want to unwrap it like in the picture. I want the inner circle (red) to go to the top of ...
11
votes
1answer
3k views

Addons: Only some .zips will install

Why is it that if I go to install an add-on from User Preferences > Add-ons > Install from File... and choose a *.ZIP, some add-ons will install, while others will return me to the User Preferences ...
10
votes
4answers
4k views

Glow effect invisible on transparent background

I'm trying to render a lightsaber on a transparent background to use as game sprites. I've followed a tutorial on youtube to create the glow/blur effect and it worked great on a black background but ...
15
votes
1answer
15k views

Rendered aspect ratio different from the viewport's camera view

Why would there be a difference in aspect ratio between a rendered image, and the camera perspective in the viewport? My render is getting squashed to fit a different aspect ratio. Here is a scene ...
12
votes
2answers
16k views

Edit Mode Transparent Objects

I changed my Blender Units to Metric System, but when I'm building things, my meshes are transparent, i.e. I can see through faces like in wireframe even though my wireframe is turned off. All faces ...
11
votes
2answers
3k views

What are the benefits of modeling in one piece, or as separate parts?

Is there any benefit of creating model in one piece or I can create separate pieces and just overlap them to create a visually joint part. For example, the below image were made from two parts 1. ...
9
votes
4answers
3k views

Bottom of tool shelf grayed out

I have lost functionality in the tool shelf. When I click on a selector or something in the bottom part of the tool self that you can hide and unhide, nothing happens. I can see the options but when I ...
6
votes
2answers
2k views

Why is the node editor showing different kinds of nodes?

I have been following this tutorial until I started adding nodes. The problem is that he has completely different nodes than I have. Even nodes that are created at start are different (I have Material ...
5
votes
1answer
1k views

Accessing bpy.context gives a '_RestrictContext' warning, how to fix this?

I got this error message when I try to enable my addon. ...
1
vote
1answer
818 views

How to put a mask into 3d space

I'm trying to make a vfx scene where a mesh I created passes behind an object in real life/the video. I've tried to make a mask around the real object, but that makes all of the objects that are ...
43
votes
2answers
29k views

How to make rig that reacts to gravity or seem to behave physically correct?

Here's a nice, strangely familiar hat. It's rigged with three bones. Let's say I want the hat to fall like a real hat would, and bounce around when the character which it's attached to moves. I could ...
40
votes
3answers
15k views

Iridescence In Cycles?

Is it possible to create an iridescence shader in Cycles? Specifically for something like DVDs, soap bubbles, engine oil, etc.. I know about this technique for a DVD material, but it doesn't properly ...
23
votes
3answers
25k views

How can I get a Depth of field render pass?

How can one make a render pass with black and white data to display depth of field based on the Settings > Camera dof settings? I want to blur or defocus in the compositor, similar to the way it is ...
16
votes
1answer
11k views

Liquid / glass interface IOR and normals in Cycles

When modelling / rendering a glass with liquid inside (in Cycles), which direction do the normals for the glass only surfaces, shared glass-liquid surfaces, and liquid only surfaces point? I have ...
31
votes
4answers
52k views

Model a simple 3D spiral shape?

I need to model a simple spiral shape. I imagine the best way to do this is with curves, but I am unsure how to create a perfect spiral shape with curves. What's the best/easiest way to make a spiral ...
27
votes
3answers
19k views

How can I add motion to a rigid body?

I'm trying to create a bowling animation and I want the ball to hit the pins. I already added the Rigid Body physics to the objects but can't get the ball to move. Obviously I could just add ...
15
votes
3answers
5k views

How can I easily animate cutaway views on multiple objects?

I'm trying to create animated cutaway views on multiple objects in my scene. For example, in my car model, the seats and other interior objects are separate objects. This question talks about using ...
7
votes
5answers
6k views

How to avoid the wrinkle at the poles of the UV sphere?

When I create a UV sphere and add the subdivision surface modifier, the following wrinkle appears. How can I avoid it? I've read the article How to handle distortion at the poles of a UV sphere? but ...
25
votes
3answers
38k views

Is there an unsubdivide function in Blender?

I am wondering if there is a modifier or tool that will essentially undo a subsurf or subdivide command.
6
votes
2answers
2k views

Is it possible to make a sequence of renders and give the user the option to cancel the process through the UI at any given time?

I'm trying to make a script where I have to render several images of the same scene at the same frame, and write to disk with appropriate names. The problem is that although this works fine with a non-...
15
votes
2answers
2k views

Make the flame of a candle more yellow

Here is what I have so far: The issue is The candle looks like a light bulb... when I tried to make it more yellow via RGB Curves the whole thing got more yellow: Can anyone help me out? Thanks!
13
votes
1answer
17k views

Getting “experimental” true displacement to work

I have been trying to achieve a true mesh displacement on meshes for quite some time, without ever getting it to work. If I understand it correctly, this experimental feature would allow me to easily ...
10
votes
1answer
14k views

How to set render engine in blender?

I'm new to blender. How do you change the render engine? According to this video, the button should be along the top. I've searched google, and the blender documentation with no luck. https://www....
9
votes
2answers
22k views

Smooth shaded model has odd shading

I'm currently working on a model of an X-wing that I'm intending for use in a game and running into a bit of trouble with the shading of the mesh. The upper nose is rounded off where the sensor cone ...
4
votes
3answers
35k views

How are texture maps imported into Blender?

How are various maps such as diffuse, AO, cavity, or displacement imported into Blender? I saw the Texture tab has import image, would you do this for all maps and connect them somehow?
9
votes
1answer
5k views

Setup a decal material in cycles [duplicate]

I'm trying to setup a image decal in cycles, and I can't figure how to setup the nodes to work fine. Does anyone know the solution? blendFile
8
votes
1answer
3k views

Rendering fire animations with transparent background

I'm creating a simple fireball sprite for my game and I want to render a fire animation. I would like to get the upper images with transparent background, but when is set the transparency on under ...
7
votes
2answers
5k views

How to use multiple HDRIs

My question is, how would I make the visible HDRI/Enviroment Map be image 1 and then have reflections as Image 2? If someone can post a node setup, or a .py file that would be great <3 I was ...
10
votes
5answers
24k views

Error AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead. What can I do?

I have Win 10 and when I open Blender I have the error: AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead
5
votes
3answers
1k views

Why can't objects in Edit Mode have their own name?

I've searched so long for the answer and all I ever see is the typical "press ctr + j to join objects, switch to Edit mode, and edit as one mesh", or "make duplicates", or "download the MultiEdit ...
4
votes
2answers
2k views

Animated textures don't work in Blender viewport playback

I am trying to animate in 2d. I do it with planes that have textures on them. I recently came up with the idea of having a plane with an image sequence of mouths because animating actual lip syncing ...
1
vote
2answers
2k views

Missing objects when opening old file in blender 2.8

I just got a updated to blender 2.8 and my objects that were in hidden layers are gone now, the collection layer tells me that they are in the scene but I cant unhide them also the collection is ...
54
votes
5answers
17k views

How do I create repeating patterns with cycles' procedural textures

Most people's question in this area is how to reduce repeating patterns, however I want to create them. I'm creating 2d rendered tiles for my game, and I want to create procedural materials for my ...
60
votes
8answers
96k views

How can I remove all unused materials from a .blend file?

I'm testing different materials in the same object, and finally the file has a lot of unnecessary material, is there any command that performs the cleaning of these materials automatically? in short, ...
27
votes
8answers
32k views

How to Combine two Normal Maps?

I made a high poly model and then baked its textures onto a low poly model. Now I want to give another normal map's details to the model. How can this be done?
23
votes
3answers
23k views

fluid in a glass

I am at beginner level. One of the projects I am doing is to create a glass with fluid. Like a glass of water or a glass of wine. Now I can find quite some tutorials on how to create the glass, but ...
27
votes
1answer
4k views

How can I create Light Streaks in Cycles?

I'm trying to make a light paths like there: To achieve this light threads (streaks) I used a particles emmiter with shining icospheres and motion blur shutter like Andrew. I got this result: First ...
27
votes
2answers
55k views

How to convert from high poly to low poly

I'm making a game in the unity engine and for my models i'm using blender 2.6. The thing is that i'm pretty new to graphics design (modeling, sculpting, etc) and by following some tutorials i've ...
15
votes
1answer
3k views

How to run an external command, showing its progress without locking Blender? (Escape to cancel for eg)

Currently if you run an external process from Python the command and locks Blender until it finishes, eg:subprocess.check_output(["sleep", "2"]). Whats the best ...
28
votes
1answer
25k views

How to assign a new material to an object in the scene from Python?

How can I assign a new material to an object in the scene via Python?
47
votes
4answers
45k views

How to Make Multi User Objects Single User?

I duplicated a few objects with Alt+D and now I want to apply some modifiers to them, however I can't, because they are multi-user objects. I tried U > Objects but I still can't apply the modifier. ...
38
votes
4answers
65k views

How do I make animations a steady speed?

When I make an animation, it always starts out slow, then speeds up, then slows down at the end. I cannot figure out how to fix this.
15
votes
1answer
12k views

How to Set/Calculate pole angle of IK constraint so the chain does not move?

How to calculate the exact pole angle so when I add Pole bone the IK chain does not move?
30
votes
2answers
108k views

Render not showing UV texture

I have added a texture to a cube in the UV editor and it shows up fine in textured view But when I render it there is no texture What have I done wrong?
32
votes
5answers
38k views

What will happen with Blender 2.8 game engine?

Blender has just purged the entire game engine from 2.8. There is no "Game Engine" mode anymore and there isn't even a logic editor. I tried installing a GitHub Blender release with the game engine ...
18
votes
5answers
9k views

How to access Render Result pixels from python script?

Render Result exists in bpy.data.images["Render Result"] but it contains no data. Also bpy.data.images["Render Result"].size[0] ...
8
votes
1answer
3k views

What techniques have been used to repeat geometry or other detail to the infinite horizon?

When I composed my first hopping cube video I would have liked to have the camera pitch up enough to show the horizon, except I didn't have enough geometry to extend the cobblestone street and the ...
22
votes
2answers
36k views

Shader nodes are missing?

I have blender 2.69 and I've been following a tutorial on how to make text. The only problem is when I go to add a glossy shader in the node editor it does not exist. Neither does the shader category....

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