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31
votes
3answers
17k views

Control Cycles material nodes and material properties in Python

How can I define the different properties of an Cycles material? Such things as glossy, glass, diffuse, RGB-color, emissive via Python scripting?
16
votes
2answers
59k views

heat weighting: failed to find solution for one or more bones

Here is the link to my Blend file. Picture: It's nothing special but I cant figure out why I get problems rigging this mesh. It would be important and a great Help! Thanks for reading and I know ...
14
votes
1answer
4k views

Why do the measurements of this object seem erroneous?

I just found out about the Mesh Display : Length feature in the "N" panel (thanks to this seemingly-migratable question) that allows one to measure the length of a face or vertice. But my first ...
30
votes
6answers
70k views

How can I reset my menus?

I accidentally opened too many menus (or windows) and I want to reset them to default. It is really annoying, and effecting my animation. Thanks
35
votes
1answer
75k views

Where can the viewport clipping parameters be changed?

Zooming in to inspect texture details in 3D view clips some closer faces like shown in the image. It's not the camera view so changing camera settings doesn't help. Where can the distance to the ...
17
votes
1answer
3k views

What is the meaning of the color of the node sockets in the node editor?

I have been searching on the web and I can't find this. What is the meaning of the color of the node sockets in the node editor?
6
votes
3answers
5k views

Why does an object with a glossy shader render in black?

When I apply a glossy shader to the material of my text, the text becomes just black. Why? I have lamp and everything, but the problem persists. The text is red before I add the glossy shader. I'm ...
16
votes
1answer
3k views

Black artifacts when looking through many transparent objects?

Using v2.73, cycles and a very simple scene: an array of cubes, no big deal. If I set the shader's material to transparent, the cubes in the foreground do become transparent but those far away in the ...
70
votes
2answers
106k views

How to close/open a view panel

I can't find a way to close a view panel, in particular the horizontal at the bottom, is pretty useless to me at this moment.
3
votes
1answer
3k views

One Object won't Show up in Final Render even though it shows up in the Preview Render [duplicate]

I have a model of a building with a sidewalk around it. Both show up when I switch to rendering mode in both Blender Render and Cycles Render mode. But: when I hit F12 for a final proper render, ...
5
votes
1answer
2k views

Blender render crash when using subsurf modifiers.

Essentially, my problem is that i am trying to render a scene, however, blender crashes on me early during the render. I only have about 14 total objects in the scene. (It's not that complex) I tried ...
101
votes
4answers
139k views

How can I make a camera the active one?

I have multiple cameras in a scene. What I want to do is to change which one is active. This way I can view the scene from different angles. How would I do this?
56
votes
4answers
22k views

When should N-Gons be used, and when shouldn't they?

Support for N-Gons (polygons consisting of more than 4 vertices) has been in Blender for a while now, but many of us still may not know when to use them, and how to do so effectively. In what ...
28
votes
3answers
22k views

How can I make a material only apply to a side of a plane?

How could a one-sided material be achieved with the Cycles renderer? I would like to create a plane that is completely transparent from one side, and a mirror from the other side. It would be cool ...
11
votes
3answers
10k views

Why is part of my model not being rendered?

Why is the selected object displaying in the 3D view, but not rendering? In object mode, it shows up: However, it does not show up in render mode: Why is this so and what causes it to hide in ...
93
votes
3answers
199k views

How to recenter an object's origin?

So, I'm working creating a lamp... yes, newbie here. After modeling for a bit, I noticed that my point of origin was no longer the center of my object: How to I reset an object origin point to the ...
24
votes
1answer
7k views

How do texture coordinates work?

How exactly to texture coordinates work? I know they are represented by vectors, but how does a vector store texture mapping information? How does each type of texture coordinates work and what are ...
21
votes
1answer
62k views

Rendered image looks pixelated

When I hit F12 to render an image and zoom in it is quickly pixelated. How can I render a higher res display? I have looked through the settings and couldn't find a solution.
9
votes
1answer
18k views

How can I setup a Material in Cycles for Z-Transparency?

After converting to nodes in order to render using Cycles I've no idea where to enable the z-transparency. I guess the image textures alpha channel needs to be pluged somewhere but I've no idea which ...
69
votes
4answers
161k views

How would you cut a shape out of an object using another object?

Coming from SketchUp one of the tools I miss most is the circle draw tool which lets you draw a circle on any face and then you could extrude it in/out. The only tool that I know of that comes close ...
19
votes
1answer
29k views

I only get four video output options

Even when I start a brand new file in Blender, I only get four video output file options: AVI raw, AVI JPEG, Frame Server, FFMpeg Video. I am running version 2.78.5 (I'm using the beta so that I can ...
22
votes
3answers
4k views

What are the technical differences between F12 render and viewport preview?

What are the technical differences between F12 render and viewport preview render, if any? This is all the documentation I could find about Cycles viewport rendering: interactive rendering can be ...
16
votes
2answers
21k views

Why did the texture I painted in texture paint mode disappear?

I was following a tutorial on how to use the Texture Paint feature on blender so I could paint on a terrain I am modeling. I was successful to paint the whole terrain with beautiful, exuberant ...
9
votes
2answers
5k views

Which object should be selected when selected to active is check for texture baking?

Which object should be selected when selected to active is checked for baking, the one I'm baking to or from? I can never remember which one.
43
votes
2answers
15k views

How do I convert materials from Blender Internal to Cycles?

I know this may be a tough or confusing question, but I have numerous existing materials I created and reuse for a project, which were all prepared for Blender Internal. Now, I want to start the ...
31
votes
4answers
39k views

What is the best way to unwrap a sphere?

After reading How to get perfect UV sphere Mercator projection? It seems that there is no perfect solution for getting rid of the stretch at the poles of UV spheres. According to What is the ...
19
votes
3answers
21k views

Save all render passes to a single EXR image

I am having an issue with EXR file export that I did not encounter in previous versions of Blender. I used to be able to render a render layer with all its passes and get all the passes included with ...
37
votes
3answers
112k views

Object not visible in render

I have a model which you can see here (camera perspective). In the second image, you can see how the render turned out. I'm at my wit's end trying to figure our why it's not showing up in the render....
46
votes
7answers
64k views

How to model effectively using exact measurements?

I always struggle when trying to create a floor plan or furniture. How do I model using exact measurements.
24
votes
2answers
17k views

How to create a custom UI?

I was watching this video on making a custom UI tab using Python, and in the line from bpy.types import Menu, Panel, UIList, I see the names of objects that look ...
43
votes
3answers
38k views

How to make a model cast shadows onto the world texture/background?

In most of my models, I usually end up setting a world background using an HDRI image of some kind or another. This has always been really useful for lighting in general or as a background for my ...
26
votes
3answers
12k views

Cycles: Shadeless “Shadow-catcher” Material for Rendering onto Footage

I am superimposing CGI over video footage, and have run into a problem in making materials for objects that act as 'shadow catchers'. Essentially I want a shader that is shadeless—like an emitter—but ...
22
votes
3answers
39k views

Blender 2.78 with Windows 10 lags when interacting with the UI

Update This has been confirmed resolved in a later version 376.33 and possibly the update prior. meta Okay, I recently did a computer update. I used to run Blender 2.77 on a Dell desktop (5 GB RAM, ...
21
votes
5answers
115k views

How to make all faces flip to the right/consistent direction?

What's happening is that I have tried to flip the normals, inside and out, but there are always faces which have to be flipped! Normals recalculated Inside View If I flip them again, all faces get ...
22
votes
3answers
21k views

How can I keep low resolution textures pixelated?

I have a problem. I am going to make a minecraft animation in blender. But when I put a minecraft texture on a 3d cube that is 16x16x16 it is very low resolution is there a way to get the texture in a ...
4
votes
1answer
4k views

Cycles not rendering image or movie clip used as background in the viewport

First time I've used cycles rendering engine. I'm using a movie clip as the background in short animation. Selected RBGA under Property Tab, and Transparent under Film Tab. It looks good and ...
3
votes
1answer
1k views

Torus object stretched in array curve modifier

I have a chain object. And i have a curve it follows. I got it to work for following curve, but chain object is not circles but both parts are more like stretched circles (ovals). Object i made with 2 ...
158
votes
4answers
360k views

Change pivot or local origin of an object

How can I change the local origin of an object, without changing the object location in the world space. This is the object located at position (0,0,0) in the world space This is the same object ...
31
votes
1answer
37k views

How can I duplicate a mesh along a curve?

I want to outline a curve in the form of text with a mesh (UV-sphere, cube etc.). How can I do that while saving mesh geometry without using the Curve modifier?
12
votes
3answers
29k views

How to properly hook up various maps types together in cycles?

Okay so I have been using a software called MindTex 2 to create maps for use with Blender Cycles (or internal). The maps I have here are: Please note in the examples, and blend file I don't actually ...
37
votes
4answers
3k views

Best Place to put Feature Requests?

The only place I am aware of is the Features & Proposals section of the official wiki.
30
votes
2answers
127k views

How to show textures in the 3D View editor?

I have added some textures to objects in blender but the textures don't show up until I render the file. it can be difficult to know what the objects look like without rendering it. is there a way to ...
14
votes
2answers
9k views

Emboss text onto curved surface

I am fairly new to blender and I am trying to do something which I am assuming is fairly straight forward with no success. All I'm looking to do is emboss some text onto the curved part of a yogurt ...
42
votes
6answers
49k views

Where does console output go

I'm trying to debug a Python script by placing a print("foo=" + foo) statement in my code. But where does the output appear? It doesn't appear on the Python ...
14
votes
1answer
14k views

Some vertices don't move along with the rig

I follow this tutorial which uses rigify and I have run into some issues. Not every vertex moves along the rig. Any idea what could cause this? I applied the location and rotation for every object. ...
7
votes
2answers
4k views

How do I get the Glare node to output transparent instead of Black background

This is what I have so far: http://imgur.com/a/ZnFOt The rendered image has a transparent background, but the glare filter creates an output with a black background, so after merging the two ...
10
votes
1answer
4k views

How can you smooth the edge between two materials?

I have created this with cycles: But the edge between the glowing and non glowing materials is very sharp. The material was manually applied to faces in edit mode. Is there any way I can smooth the ...
16
votes
3answers
4k views

Where can I get Blender test builds?

I know that Blender.org provides downloads for official releases. I see on forums that people use newer versions of Blender. Where can I get newer version of Blender (nightly builds, alpha versions... ...
2
votes
2answers
1k views

My objects are semi-transparent, and not one behind the other in the compositor

I have multiple scenes each with different objects. I want to combine all these scenes in the compositor but when they render, all the objects from each scene overlap each other and are all ...
31
votes
2answers
10k views

How to animate morphing a rectangular plane into a sphere

How to make a grid-to-sphere animation like this?

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