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Questions tagged [optimization]

For use on questions asking how to optimize specific things. i.e. game logic, rigid body simulations, viewport performance.

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Is it possible to remove a certain object from a baked texture without resulting to manual image manipulation? [closed]

Let's say i got this low polygon model of a house with a baked texture that i got from the original model with the house and the furniture as different objects, and i want to remove a piece of ...
henny's user avatar
  • 1
3 votes
0 answers
42 views

How can I optimize this Minecraft-style flood fill voxel lighting system I made in geometry nodes?

I made this flood fill/breadth-first search style voxel lighting system using geometry nodes. However, due to the wonky set-up I have in the repeat zone, it lags quite a lot when the light is moved. I ...
LuigiTKO's user avatar
0 votes
0 answers
18 views

Why realizing instances makes PC working faster?

I have to work temporary on not very powerful PC, with graphics card: Intel(R) UHD Graphics Intel 4.6.0 And I found a strange thing. Then I keep instances in Geometry Nodes not realized, it makes my ...
Crantisz's user avatar
  • 35.3k
0 votes
0 answers
21 views

method to quickly delete unconnected interior faces?

Whenever I'm optimizing a mesh for a game I will always delete faces that will never be seen by the player, finding them usually takes a while to find depending on the complexity of the model, so I'm ...
mrman's user avatar
  • 1
2 votes
0 answers
35 views

Does Blender python run slower when strictly typing?

I have a code snippet without strict data-typing: ...
Megan Love's user avatar
2 votes
1 answer
85 views

Is it possible to further optimize this qb writer?

I have this QB writer and it runs quite ok but takes longer when bigger files are written. I was wondering if there are any libraries out there or anything in this script that can be optimized to make ...
Megan Love's user avatar
0 votes
1 answer
21 views

Create and apply modifier in script without calculating twice

I'm creating and applying a boolean modifier between two complicated objects, like this: ...
TheGribble's user avatar
0 votes
0 answers
23 views

Help me to optimize animation in this project

I have already watched several videos on how to optimize projects in blender, but it still takes me several minutes to render 1 frame, and the entire project will take at least 200 minutes to render. ...
Egor Vorobey's user avatar
0 votes
1 answer
89 views

Is there a way (may be an addon) to resize textures in batch inside blender?

I use asset libraries and some assets comes with ridiculously large textures for my specific scene. Imported about ten assets(grass and props) and now I have hundreds of 8k textures. My Vram is full ...
Pyae's user avatar
  • 5
0 votes
1 answer
72 views

What is the best way to create feathers for a model so that the model does not slow down game in Unreal Engine 5?

Please tell me the solution. I'm creating a bird-man model in Blender for a game that will be on Unreal Engine 5. It comes down to the feathers. What method should be used to create them so that the ...
Aurumia's user avatar
  • 11
0 votes
0 answers
85 views

How to render a lot of hairs easily

I try to make a rug generator with geometry nodes. I already have a functional generator for the shape of the rug but I struggle to render a large amount of hairs. I might need to make large rugs (...
leevmealone's user avatar
0 votes
2 answers
74 views

Points to volume setup optimization?

in order to greatly optimize my geometry node setup, i need to find a way to remove the two nodes circles in blue (let's call it the blue group) on the pictures. These nodes are responsible for the ...
Doan FARON's user avatar
0 votes
0 answers
352 views

Retopologize high poly geometry-nodes-generated shape to low poly

I have this geometry that I generated using geometry nodes. It is super high poly and I need to reduce the number of polygons to as low as possible. What would be the most optimal way to do this? I ...
Szymon Gołąb's user avatar
1 vote
1 answer
27 views

Modifier multiplies geometry unnecessarily. "Array" modifier optimization

How make that the Array modified not produce vertices, but do a procedure similar to Duplicate Linked (Alt + D) which saves rather than multiplies geometry unnecessarily? thank you
blenduser's user avatar
4 votes
1 answer
405 views

Is there a faster (computationally) way than Mesh Boolean to poke holes into a grid plane in Geometry nodes?

I have a grid plane that should appear as an actual grid, but with holes at arbitrary points where the stars are (from this video I made https://youtu.be/tso5pSzBRDo). I'm currently using a mesh grid ...
Jackson Veigel's user avatar
0 votes
2 answers
106 views

How to merge image textures / materials into 1 to increase performance?

I got this really big scene that shares some image textures in some parts of the map. Is there any way I can just merge all of them into 1 master image? Like, if I had a material called "wood&...
HESOYAM's user avatar
2 votes
0 answers
26 views

Large environment scene workflow

I'm about to embark on a huge project that requires me to create an environment that is somewhere between 2-5km. The problem I'm facing is that I need most areas/sections of this environment to be ...
Damon Binstead's user avatar
0 votes
0 answers
22 views

Having a lot of copies of the same rigged character each posed differently. How to improve performance?

I am trying to make a scene which uses the same rigged character about 40 times but posed differently each time. It gets resource intensive and I was wondering if there is a way to optimize this since ...
cantemir's user avatar
3 votes
1 answer
129 views

How to render lots of fur that does not fit into memory all at once?

I'm currently making a short film in Blender with a lot of animals. In a specific scene I have around 10 of them with full groom. The models come from VFX Grace and other stores, they are super high ...
Nathan Ghali's user avatar
0 votes
0 answers
27 views

Scene is still slow, despite unloading heavy collections

So I've been working on this scene here, relatively big, got a couple hundred objects, many materials, but it works quite well on my machine. However, after appending a city, the scene tanks and even ...
Lubaka's user avatar
  • 1
1 vote
0 answers
41 views

How can I avoid Depsgraph rebuild times?

I have two objects (in collections) in the scene and I want to render only one of them programmatically (from Python). When I measure the rendering time, there is always overhead of Depsgraph build ...
Hokwang Choi's user avatar
0 votes
2 answers
332 views

how can i speed smart uv project unwrap up with python? (side note this is a 100 fold times faster when using it in the ui)

Ok as the title says I am having some mega speed issues when unwrapping with smart project in python, like on a smaller project it took 30mins to unwrap inside the editor and when executed via the ...
Nick Harding's user avatar
0 votes
1 answer
230 views

How can I bring Color from a material into geo nodes and use it as a filter?

First time posting here. I've been scratching my head on how to do this for some time now, and I can't seem to figure it out. I'm looking to create a detailed texture(Solid black and white) in shading ...
Spark Lupus's user avatar
2 votes
1 answer
292 views

How to clean up crazy mesh?

I'm a novice at Blender. I started using a program called 3d Slicer for medical images. It takes a medical scan (CT, MRI etc) and allows you to turn it into a 3d image (in this case .obj file for ...
Nikki's user avatar
  • 21
0 votes
1 answer
44 views

How to parent shutter lens rig to object

So I created a shutter lens rig for an eyeball that works fine, but when I try to parent it to an eyeball on my character it doesn't keep transform and I'm not sure why. No matter how I try to parent ...
Kman Haze's user avatar
0 votes
0 answers
28 views

More efficient mesh than zigzag?

I have a svg with a lot of edges (probably in the 100's of thousands). I was noticing that when I start extruding there's a lot more processing that needs to be done. Is there a way to simplify this ...
Rick's user avatar
  • 1
-1 votes
1 answer
114 views

Does low viewport fps affect rendering? (Slowed down because of many objects)

I have low Framerate in viewport playback. Does that affect render fps? I saw Blender rendering the animation frame-by-frame, but will my rendered video get slower because the framerate is slowed down?...
Collossus2's user avatar
0 votes
1 answer
283 views

Blender Face Weigted Normals using manual face selection sets

I have been using a super powerful script in maya created by Etienne Nadeau called the Normal Toolkit. Basically it allows you to pick out your chamfers manually and run the script on your mesh to ...
AlexTSK's user avatar
3 votes
1 answer
618 views

Why is triangle used instead of Quad?

Why is triangle used instead of Quad? Why is triangle used instead of quad in the first screenshot as in the 2nd screenshot? I thought diamond shaped quads could be used? I'm sorry, because I was ...
Ererini's user avatar
  • 83
0 votes
1 answer
202 views

is there a faster way to copy select vertex position from one side to another

Lets say I am making an object with two sides that are symmetrical, lets say over the X-axis, and I need to realign some vertices to match changes I have made on only one side. then I will go to the ...
DraugR's user avatar
  • 153
0 votes
1 answer
98 views

Not able to render a single frame from this scene in eevee, how can I optimize this project for rendering performance without losing quality?

In this EEVEE scene I used Jsplacement to produce a robotic atmosphere. As much as I love the look of it I believe it's eating up all my CPU power and memory. My current PC specs: AMD Ryzen 7 3700X, ...
Kman Haze's user avatar
0 votes
1 answer
81 views

Hidden armature meshes and physics objects are still processed for a visible armature, is there a workaround?

My animation playback is less than 2fps in a certain blend file. I've tried opening it with addons disabled, which brings it from <1fps to <2fps. A have a Rigify rigged character in a scene. I ...
Bloop's user avatar
  • 612
0 votes
1 answer
102 views

Blender file size bloated after importing mocap data

This is not a question, just wanted to share something that I found out recently. Please do correct me if I'm wrong. So, our mocap result generated a bunch of actions, one action per bone. And actions ...
Ryazack's user avatar
1 vote
0 answers
107 views

Is vector math node slower than math node?

I looked at https://docs.blender.org/manual/en/latest/render/cycles/optimizations/nodes.html#node-optimizations and apparently Blender is pretty good at optimizing node trees. This made me wonder a ...
tempdev nova's user avatar
  • 1,525
2 votes
1 answer
323 views

"Merge by Distance" is destroying information about double-sided polygons

I have a mesh in which I want all of the faces to display as double-sided (after exporting to a game engine), so I duplicated the mesh with Ctrl+D and flipped the normals. Then I figured I'd optimize ...
Aaron Franke's user avatar
4 votes
2 answers
403 views

Remove faces in contact with each other

After adding several cubes on top of a plane, the bottom part of those cubes is in contact with the plane. The idea is remove redundant faces that are not seen by the camera to optimized the scene. In ...
eze's user avatar
  • 41
0 votes
1 answer
598 views

Shortening time for repeated renders on cycles for animations

1 Frame rendered in Cycles with original settings (~11sec) 1 Frame rendered in Cycles with thibsert's suggestion (~6sec-8sec) Clip rendered in Cycles for reference (forgot motion blur): https://...
IGame4FUN's user avatar
1 vote
1 answer
256 views

Can you optimize Armature performance in Blender?

My scene contains one character model from Street Fighter V, and I get around 5fps. It's strange, since I can easily run that actual game at 60fps, but I suppose there are reasons Blender would be ...
user143676's user avatar
2 votes
1 answer
1k views

How to export single animation to GLB used in multiple objects?

I have a scene where I have three cubes, rotating at the exact same speed. I want to export this to .glb so that only one animation is packed into the .glb, to optimize the file size. I have tried ...
Alex Safayan's user avatar
  • 1,116
0 votes
1 answer
365 views

How To Create A Normal Map Of Woven Wire Design

I'm creating a microphone model but I'm struggling with the woven metal wire mesh. This is what I want to create: The image is from here. The woven design was easy to model but due to the poly count ...
Miger's user avatar
  • 131
1 vote
0 answers
223 views

Has camera culling & crop to render region no effect on freestyle calculations?

I'm rendering a large environment scene of 3.000.000 triangles with freestyle outlines at high output resolutions. The geometry is optimised, textures are basic and I've done what I could to avoid ...
Booth's user avatar
  • 655
0 votes
0 answers
66 views

Which disintegration/reveal/build effect is fast for millions of vertices

I am rendering for disintegration/reveal/build(the built-in modifier) for millions of vertices. I learnt disintegration & reveal effect from popular Youtube tutorial using geometry nodes. They ...
Jill Clover's user avatar
0 votes
0 answers
1k views

Blender running slow when editing rig, changing poses, and during animation

I've posted a similar question in the recent past, and have gotten some good advice, but it didn't solve the problem. Currently, I'm working on an anime-styled female character. I've completed the ...
Andrew Guilmain's user avatar
2 votes
3 answers
1k views

How to avoid white lines in texture while resizing

Sometimes I need to downgrade the resolution of the texture of a model to optimize it for web visualization. To do that i just take the texture in photoshop and export them with a lower resolution and ...
Danzer's user avatar
  • 23
0 votes
0 answers
158 views

Blender Cycles Render Speed Optimization for animations

i have a couple of questions about speed optimization for Cycles Render Animations. Many of the posts that I have seen refer to older versions of Blender and are sometimes a bit contradictory. I´m ...
VICUBE Animation's user avatar
0 votes
1 answer
159 views

Rendering Issues

I am having difficulty rendering my animation. The project file itself is pretty simple with the majority of verts being from a Blender Kit asset. The total amount of verts is rather low for a sene ...
ProductionisGreat's user avatar
1 vote
0 answers
29 views

Import render settings from another .blend file [duplicate]

Is it possible to import render settings (e.g. how many times the light paths bounce for Cycles) from another .blend file? There are too many of them and I don't want to check and copy each one ...
Lai Yu-Hsuan's user avatar
  • 1,992
4 votes
1 answer
467 views

Optimal renders of the same scene from multiple cameras

I am using Cycles with OptiX to render a lot of different camera angles of the same scene. Using code like: ...
Damian Trebilco's user avatar
0 votes
0 answers
210 views

Blender freeze after 120-150 Frames rendering

my blender freeze after rendering an animation after 120-150 Frames. This is really weird, because It never happens on my 980 ti, and now I've got a 3090 rtx and it freezes. Somebody have an idea? In ...
3D bob's user avatar
  • 383
0 votes
1 answer
689 views

FPS drop when positioning the character

My problem is as follows (is a model ported from SFM to Blender) Animation attempt unsuccessful Solid Mode When I create a frame with the rig or in positioning mode, The FPS ends up dropping to 3 or ...
Toby Ideally's user avatar