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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Hacks for improving performance on large scenes

Hi I’m using blender mostly doing exterior architecture visualisations. Through previous months I’ve found many problems that affects this software. But the main issue is lack of performance power ...
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72 views

How to optimize Viewport for video editing on low-spec hardware?

I downloaded blender in hopes of using it for simple video editing, and while it appears to have all the tools I want, trying to preview the video is simply not working well enough. The preview is ...
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39 views

How can I go about optimizing textures?

I've modeled six rocks, unwrapped all six of them in one texture, but after painting three rocks I decided to reuse them for the remaining three. Is there a way to move these UV islands around along ...
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94 views

How to removing internal meshes from the stack of cubes?

I have a created a model with a stack of cubes that forms one big single model. There are so many unnecessary faces and cubes present inside the model. I have to remove all the internal faces to ...
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123 views

Navigate 3d viewport hovering the mouse (without any button click) with ctrl/alt/shift key combinations

Is this possible to navigate in the 3d viewport just hovering the mouse (or the pen on a tablet) with the existing ctrl/alt/shift key combinations BUT without the need to click on any button of the ...
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24 views

How to optimize super large objects for large scene rendering

we are trying to render a large solar farm. For this we used procedural textures, pipes with textures you name it. Each solar panel strip is about 100m / 100 yards long. Our goal is to have a complete ...
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57 views

Script performance issues. Applying modifiers to mesh with shape keys

I didn't write the script, I can read it, but can't do much else. This script is used for applying subdiv to a mesh with shapekeys, while preserving the latter. However it seems to be leaking a lot of ...
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27 views

Pose planning for reflective surfaces. Difficult mathematical / geometrical problem . Possible with blender?

first of all this is not a blender - specific question, but i would like to realize it if it is possible with blender since it is open source and can be combined with python programming. I am working ...
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1answer
68 views

Rendering particles vs ALT+D copying the object

I have a simple question. Is it better for render time and optimization to add for example Trees as particle system or to ALT+D duplicate it as many times as i need. What will be easier for memory?
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132 views

Optimising a displaced plane

New to blender and I've run into a problem where I ideally need to subdivide a mesh futher (see attached), but any increase in subdivisons results in running out of memory(I have 16GB) despite render ...
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50 views

Optimization ( More cuts or stretching )

I want to make a house model but I am not sure which method to make walls for rooms would be better. Dragging around already existing edges that have no other purpose, but which are still necessary ...
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45 views

How to optimize all these objects in 1 Prop to Game?

I'm looking for a way to optimize all the popcorn particles to make a single object optimized to serve as a prop for games. What better method? Putting together all the popcorns the numbers are ...
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108 views

How can I avoid rendundant (no changes in progress) rendering?

I'm working on a project which is barely more than a fancy slide show, changing an image on a plane every few seconds. The issue is that every time I render an animation, it does it frame by frame, ...
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156 views

Render curves as hair particles?

I tried first to place hair particles with Python but Blender never let me do so, so here's the question the other way around: it is possible to pass curves to Cycles without meshing them and to treat ...
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394 views

Fastest and Cleanest way to lower fluid polycount

As it bake the fluid result is pretty poly expensive because polygons are sync with voxel resolution. What's the best way to get an optimized mesh out of a baked-applied-motionless fluid model? ...
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2k views

How to reduce bloated file size?

I created this large scene file: lots of objects, textures, nodes, you name it, and am currently doing a post-mortem: stripping out assets so I can re-use them in later scenes. However I'm getting ...
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603 views

Is my render time too long and file size too big?

I have a .blend file that is 135 MB, it contains 3 scenes (only two of them contain objects. the third is for a future composite of the other two scenes). I have about 40 objects in the other two ...
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1answer
1k views

How to increase performance in the View Port?

I have model that has 100 000 cubes forming a 2d grid from a birds-eye view. The cubes are very simple in geometry, but still, with 100-200k it's hard to perform some tasks around the viewport. Are ...
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37 views

How small can you make a model realistically?

all! I have a model that I want to add to a THREE.js scene on the web, so making it as light as possible is the main goal. I'm not an expert, so I have no idea how 'small' one could make a model. ...
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7 views

Is it good to collapse some vertices on the mesh and reduce as result reduce poly count but make triangles for GameReadyObject

There is so many opinions on this, so many articles, similiar questions, as I am reading one old article and see this. This is Article from Blender 2.4 but I assume logic is same. Is it good to reduce ...
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13 views

During rendering, Is there any way to reduce object loading time?

During rendering, Is there any way to reduce object loading time? I`m rendering animation both engine eevee, cycle During rendering I realize that Object Loading time is pretty slow that causing ...
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15 views

How to duplicate linked an entire model?

Lets say I've modeled a window (with the frame, glass, handle...), set the constraints limiting the translation, and set the parenting hierarchy. Now I'd like to reuse the entire window somewhere else ...
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15 views

Blender - Verge3d optimization of textures

So I started this project that needs to use Woocommerce so customers can customize their products, now I finished the application and everything and it works great on the local verge3d server but when ...
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1answer
17 views

How to improve texture brush result

I have a couple brushes that I got off of BlenderKit. The link for the brush is this: asset_base_id:66dcf513-f78f-4030-a07a-fcfe9c6a1448 asset_type:brush. I have a cube as a test that has 49152 ...
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99 views

Modelling game foliage, such as trees, bushes and grass

So I'm currently practicing my skills as a environmental artist. The scene I am currently making will involve a lot of foliage, specifically a Hatian forest. I have been trying various ways to make ...
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6 views

UI Lag and Microstutters in the Node Editor

I am getting some distracting lag in the node editor. It's not terrible, but it's annoying enough. It's a really simple file too. But for some reason I keep getting random stutters as I work with ...
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27 views

How do I get viewport FPS higher when using image sequence as plane?

When using a high-res (4k) image sequence plane in Blender, the eevee viewport FPS tanks down to an almost unusable rate, despite there being just one plane in the project and my hardware being ...
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17 views

Efficiently loading large blender files, translating large amounts of objects

I've been struggling for some time now with dealing with large blender files, full of lots of objects (which are clones of the same original object, think an atomic crystal). An example file I've just ...
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31 views

Eevee - use lowpoly object for shadows, reflections etc

How can I optimize the scene in Eevee with low-poly object? I'd like high-poly be visible only for camera and low-poly for shadows/reflections etc. I ask because there is no Ray Visibility under ...
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32 views

When and how to add armor to my game character

I'm currently sculpting for the first time ever and I'm trying to make a clone trooper from star wars. My plan is to retopologize it once it's done and use the "low poly" version for a ...
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41 views

Render pre and post synchronizing taking a long time with Eevee

I'm rendering a roughly 2000 sqft jewelry store with Eevee. Frame size is approximately 1000x1200px and the render takes a very long time to synchronize as well as complete once the samples are done ...
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19 views

Proper modeling to sculpting process

So here is the issue I am facing. I first model my ... well.. model and I then bring it to sculpting and at around 1milion+ polygons ( or tris and other stuff) I start getting really laggy. I mean my ...
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193 views

Why is RTX 2080 is slower to render than laptop with EEVEE?

I just changed my laptop Macbook Pro with a Radeon 460 pro 4gb, 16goRam to a new computer with a RTX 2080 Ti 11gb with a intel i9 9000 CPU, 16go Ram With Cycles i have no problem to speed up my ...
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26 views

Are there any optimal settings to take full advantage of hardware when working in Blender?

Just getting started in Blender but do come from a video editing background specifically with Adobe Premiere Pro CC. I have my computer set up so I have my m.2 drive running my source media and an SSD ...
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238 views

Optimize Blender for macbook pro 2011

So I'm really new to blender, barely been 6 months. I use a Macbook Pro 2011 running a 2.7 GHz Intel Core i7 2620M with with dedicated graphics, with 4gb of RAM(Yes I know.), and 750gb HDD partitioned ...
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1k views

OptiX Tile Size and Render Times

OptiX rendering, to my knowledge, uses the RT cores in the Turing architecture cards like my 2060. How does tile size affect the render speed? As far as I know the general rule is to increase tile ...
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1answer
52 views

(Beginner) Large metal ceiling optimization

I'm pretty new to blender. I am trying to render a large metal ceiling (over 120m long) (see image) you would not see through it you would not see the edge as it is on the ceiling, the vertical ...
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48 views

is there a way to unify the direction of edges or assign them a direction?

basically I want to find out a way to set the same direction to a selection of edges having almost the same direction like in picture (to select them all I select one, press shift + G and choose ...
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1answer
120 views

Rendering scene background in only some frames of an animation

Is there any way to render a specific scene, say the background, during only the second half of an animation while the foreground renders the entire time? For example in a 100 frame clip could I get ...
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293 views

Optimizing Crystal Render Times in Cycles: Blender 2.8

I don't know if i get an answer here but I have an optimization question. I made a crystal in blender (star wars kyber crystal). The way i did it is 3 parts. A small crystal on the inside that has a ...
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23 views

What is the most optimized way to create mesh from vertex web

I have this web of vertices that I want to convert into optimized mesh. When there is a big angle it goes smooth and when there is just a straight line it creates one "box" of vertices. I ...
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351 views

How to remove aliased lines with anti-aliasing?

I rendered my image with Eevee (256 samples, resolution - 1920 x 1080) and this is what I've got: There are ugly, sharp edges on my rendered image (these ones I highlighted). Also, in the upper part,...
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54 views

Drivers / Constraints resourses usage

I'm trying to optimize the rig of a cartoon creature, and this rig has really large amount of bones (more than 400) to have all the abilities according to the plot. I have IK/FK chains, Stretch To ...
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34 views

Can we setup a recurring function that executes every 5mins?

We want to track how our internal team is using our addon. Can I setup a function that reads the current active file that is open and log the time along with it, every 5minutes.
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36 views

Is there any easy way to delete unnecessary vertices/trianlges?

In this example, there is a lot of unnecessary triangles and vertices, is there any magic tool that can delete them?
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79 views

Render optimization when frames are almost the same

Is there any way to boost rendering animation, where lots of chunks are not being changed? E.g. a sprite moving on a static background.The cycles renders some chunks over 100 times and they are every ...
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138 views

Problems with the video rendering time

I'm new with blender and I have some issues with my rendering time. I have made an animation that is 2:35 longer. I left the computer rendering the full weekend (it is in my office so I couldn't take ...