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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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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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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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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25 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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1answer
54 views

More time is spent on render preparation than on the actual rendering. What can I do? [closed]

I'm new to blender and I'm stuck on this giant unsolvable problem that no one seems to have any solution for. I've modelled a quite complex scene in Blender: roads, bridges vehicles, buildings, trees ...
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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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0answers
19 views

Ways to optimize run-time of _view_layer_update calls? [duplicate]

I've been working on an Add On project for a while to generate buildings/terrain procedurally out of "primitive" Blender objects as elements. As you might expect, one of the most common ...
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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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2answers
2k views

Is it possible to dynamically reduce the number particles based on distance from camera?

I want to render an animation in which a car drives along a certain stretch of road. To one side there is a grass field, but this is quite big, both in the direction perpendicular to the car, and ...
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1answer
171 views

How do I optimize my large grass system to render quicker?

I'm working on an animation which has a lot of natural landscapes, and I'm using a particle system to generate grass (Models that come with the Graswald addon). These frames take a long time to render ...
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1answer
31 views

Do invisible polygons influence rendering time using Cycles renderer? [duplicate]

TL;DR The number of polygons has negligible impact on rendering time. I'm having a furniture designed part by part using FreeCAD and exported as Wavefront OBJ (following Tutorial Render with Blender). ...
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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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102 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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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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0answers
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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0answers
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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1answer
32 views

Efficient Landscape Mesh Optimization

I need to render an expansive landscape on a render target which lacks the ability to do heightmap-based displacement or mesh subdivision operations in hardware. Thus my only option is to bake the ...
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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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0answers
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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0answers
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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2answers
3k views

Blender 2.78 file size grows and does never shrink

I made a huge project, wanted to reduce file size from 1.3GB to below 1GB. Compressing did not help. I removed objects from scene. Also textures. I then realized, the file size even was the same when ...
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0answers
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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1answer
677 views

How to set up SSS on cycles for efficient rendering

How do I set up SSS shaders properly to render efficiently in animation projects. Are there any specific optimizations to consider? I am trying to render some orange juice in a bottle and getting ...
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1answer
33 views

Is there anyway to resize textures?

My file size is quite large and takes forever to load all images into vram. I used a lot of ~3K PBR textures found on poliigon and I wish I used 1K textures instead. Is there anyway to select the ...
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0answers
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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1answer
203 views

How come the Blender 2.83 Splash Screen by Ian Hubert takes so much less time to render than my Doughnut tutorial?

I'm completely new to blender and going through the Doughnut tutorial at the moment. I'm working on an old laptop (GTX 850M, i5-4210U, 8GB RAM) and the doughnut and cup together take about 10 mins to ...
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1answer
148 views

Quick keyframe frame insertion for Shape Keys with `foreach_set` from data

I would like to animate an objects' shape keys from a data set. Imagine a default cube that will get longer (side face vertices will move in +X direction) according to a data. The date looks like this ...
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1answer
62 views

Will applying Decimate Modifiers speed up Blender?

I'm working on my first big paid project and I'm coming across a lot of problems. I'm not sure what Blender can handle, but my project was something like 6 million plus faces. I'd simply click a ...
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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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2answers
390 views

EEVEE 2.80 toggling render visibility based on camera view

I suspect this is possible, but don’t know where to start. I think drivers might be the key. I want to animate EEVEE render visibility of 24 objects off when the object leaves the camera FOV and on ...
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0answers
194 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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0answers
45 views

Adaptive Sub Sampling for reducing noise in renders [closed]

I got the idea of using the Intel Denoiser to make a simple algorithm and give different pixels, different number of samples after one low-samples render. I further explain this idea in this video: ...
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0answers
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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1answer
37 views

How do I optimize this planar object's vertices?

So in a nutshell I want to optimize the vertices in my object, more in some parts and less in others: https://www.youtube.com/watch?v=jvrh6rbrnbQ Currently the object is planar, but I do want to ...
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0answers
27 views

How to eliminate holes/bubble inside the volume of an object with blender [duplicate]

I’m a beginner and I obtained my object, a mandible, from the CT-scan of a patient. The problem is that inside of the bone tissue there are areas denser than others. To obtain the .stl file I have to ...
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2answers
980 views

Can blender game engine hide vertices that are not visible to the camera?

Is it possible for the Blender Game Engine to hide any vertices/faces currently not visible to the camera in order to optimize game performance? This would be for parts of meshes specifically.
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1answer
771 views

Blender doesn't use system resources optimally

let me just preface this by saying I am new to Blender and have a very minimal knowledge pf it as of now. The problem happened as I was following along with a tutorial and while doing a cloth ...
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0answers
239 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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2answers
151 views

How can I unsubdivide regions of flat faces with Python?

First: I have a very detailed mesh (16M tris) but there are many regions where lots of faces have the same height and angle. An optimization approach (real time rendering is the goal) is to select a ...
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2answers
151 views

Reduce subdivision quality in viewport on multiple objects at once

I increased the viewport quality on my subdivision but forgot to reduce it after finishing the model and have since duplicated the model like 60 times, is there a way to turn down the viewport quality ...
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1answer
488 views

Why does memory and file size increase when objects are joined?

Why does memory file size increase when objects are joined? As you can see from the pic I am working on a building. When the objects are not joined file size is 50MB When I join them the file size ...
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0answers
72 views

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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1answer
27 views

View object with used texture

I'm working on a project with a lot of objects, I want to make the file a lot smaller, because its overloading my hardware. I want to see which objects are using the selected texture. I'm in the ...
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3answers
3k views

Managing/Reducing noise in a night scene

I've been trying to get a pretty noise free image from this scene for a while. And nothing seems to be working. I've been trying to use 3000 samples, then rendering different noise seeds and composite ...
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0answers
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 ...
3
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0answers
73 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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0answers
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 ...