Blender Stack Exchange
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1500 questions
104
votes
7 answers

Precisely move the 3D cursor

The 3D cursor can be moved by simply LMB clicking anywhere in the viewport. Is there a faster and easier way to position the 3D cursor?
David
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98
votes
9 answers

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 Console, and it doesn't appear on the area that appears when you drag the lower edge of…
P i
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96
votes
3 answers

Enabling GPU rendering for Cycles?

I want to enable GPU rendering, but there is no option in User Preferences > System: Why is this? How can I get cycles to render using my GPU?
gandalf3
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96
votes
3 answers

Add the Same Modifier to Multiple Objects at Once?

Is it possible to add a modifier to more than one mesh at once? I have a lot of unique objects, and I want to set a subdivide modifier to them, would I have to do each one individually? I have tried selecting all the objects and then adding a…
Stephen
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92
votes
7 answers

How to smooth shade an object while retaining hard edges?

I frequently come to the problem of having a mesh with parts I would like to render smooth and "hard" edges connecting them. How can I set the mesh to show the sharp edges but render everything else smooth? In the example I would like the sides of…
miceterminator
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92
votes
4 answers

How can I run blender from command line or a python script without opening a GUI?

I'm interested in using Blender for producing images, 3d files, or calculating geometry on a server. Can I make blender run a python script without opening a GUI? If not, can I incorporate Blender's python API into my own python script without…
BenjaminGolder
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89
votes
6 answers

How do I completely remove an image from my .blend file?

I'm creating a model for a 3D game that will eventually be exported using a custom Python script. This model makes heavy use of UV textures. However, the project now references a bunch of images that are not used by any objects in the project.…
Nathan Osman
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88
votes
2 answers

How is Cycles different from Blender Internal?

How does Cycles work and how is it different from Blender Internal? Which is better?
gandalf3
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86
votes
9 answers

How to avoid noisy renders in Cycles?

I know that this question is a bit old or maybe overdone, but I'm running the latest edition of Blender and when I use the Cycles engine I get really fuzzy results and I can't find a simple, non-compromising solution to the quality. I don't know…
kettlecrab
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86
votes
2 answers

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.
rraallvv
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83
votes
3 answers

How can I quickly generate / create a large city without modeling it all by hand?

I am trying to create an urban open-world environment in Blender that would be about one square kilometre in size. To avoid having to model hundred of individual buildings, I am looking for a way to quickly generate them procedurally - but there…
A A
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83
votes
4 answers

How do I set a background image while I am editing?

How do I put a backdrop behind the model that I am creating so that I can compare the picture to the model while editing?
John
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82
votes
5 answers

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 to this is the knife tool but this would be very…
Qwertie
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79
votes
5 answers

What is the difference between a UV Sphere and an Icosphere?

When working with or adding meshes, I've seen UV Spheres and Icospheres being presented to me. What are the differences between them, when should either be used and is there anything I should take into consideration if I want to have them render…
nanofarad
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79
votes
9 answers

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, is it possible to make them disappear from the…
user1358
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