Questions tagged [artifacts]
questions about strange visual discrepancies in renders
422 questions
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How to avoid artifacts penetrating surface when solidifying?
Trying noob here. I have complex 3D scans of objects that I am working towards 3D printing for onward sand casting and metallurgy. The scans are very hi res, but I wish to keep as much detail as ...
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Strange Artifacts on Geo
During the process of editing this geo, it has become very faceted and has strange shadows. The normals appear to be fine, but no matter how much I try to re-topo it, it still looks strange. Any ...
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Artifacts when rendering volumetrics
When making a scene with volumetrics in cycles (blender 4.2.3)I've run into an unexpected problem.
Almost every time I render (or almost every frame when I want to render an animation) I get these ...
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Cycles Animation Render Flickering (Motion Blur Artifacts)
I need some help with removing flickering in the final animation render in Cycles when motion blur is enabled.
https://youtu.be/47KbA0EvxOA
Here’s what I’ve tried so far:
Increasing render Max ...
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Why are my 3d model appearing artifact-y
Why do my 3d models look like a lego brick? The artifacts appear here only in Eevee, and only in the viewport. It doesn't appear in any render or viewport render, just on the screen. It happens to all ...
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Blocky light and shadow artifacts all over any lit model rendered in EEVEE
I decided yesterday to start messing with light, low-poly rendering on my very-light-duty college laptop using a DS-game model I ripped a while ago, but I found that the light source that comes with ...
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25
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Black artifacting on cycles render with sub-surafce scattering enabled, merge by distance not working
In this image there is some black artifacting from cycles, which I thought was caused by z-fighting, but I've noticed it almost entirely vanishes when I disable sub-surface scattering, however merge ...
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Why do I see these weird triangles on the edges? [duplicate]
I have these weird triangles(only in edit mode) on the edges of my extruded plane.
Can someone please help me understand why this is happening?
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Shading Artifact
I need help with diagnosing and fixing this shading artifact. Pictured is the model with the shading areas in question along with the mesh. Thank you.
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Shadow Artifacts in viewport
I have these weird shadow artifacts on my mesh in solid, material and rendered preview. The mesh is not shaded smooth and all UV's have been manually cleaned up. All faces are also quads or tri's.
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What happened to my mesh?
I drone-scanned an area and created an obj from that scan, I imported it to Blender and used the smooth tool in sculpt mode to smooth the mesh where it was a bit jagged. Then I added textures and ...
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Why does my render look like this, with artifacts?
On the viewport it looks ok, but when i render it, it has all this render artifacts... Does anybody have any clue why this is?
Thanks!
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Strange artifacts on model
I started modelling recently and the model I am working on has some rendering artifacts. I modelled the thing through extrusion and ended up with some distorted section, even if the faces are square ...
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What are these strange rainbow artifacts along the edges and how do I get rid of them?
I'm a total beginner to blender and am trying to create a character model. All I have added is a background and a sphere, but there are these rainbow-colored pixels along the edges of the background ...
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Blender background plane color banding issue
I’m rendering a turntable and getting pretty nasty banding on the background plane. Does anyone know how to fix this? I found an old video on YouTube that suggested changing the color depth to 16-bit ...
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Texture artifacts - only in perspective mode
How do, I have recently started noticing some artifacts on my textures in the viewport while using Blender. I think this is since I moved to 4.1, but definitely 4.2, as that is what I am using now.
I ...
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Edges Not Smooth with Displacement Modifier Despite Smooth Shading and Auto Smooth
I have a texture that I use with the Displacement Modifier, applied after a Subdivision Modifier with 5 levels on a grid. There's a zoomed-in version of the lower-left corner of this texture on the ...
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How to fix edges "radiating" when adding a subsurface modifier
I am creating these button models and they look ok as a base model, and they are easy to manipulate this way. But I want to add a subsurface modifier before exporting them, to make them look more ...
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Artifacts appear when using the subsurface modifier with a hole
An artifact appears when Iusing subsurf
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Shade smooth artifact
I've got a strange smooth shading artifact. I don't see any triangles or messed up topology (that I can tell).
I've tried adding more geometry and making sure the edges are even. Does anybody know ...
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Why does my fluid explosion sim have odd artifacts?
Does anyone know why I get this odd geometric noise on my fluid explosion simulation? It's rendered at 256 samples with noise and .05 vorticity. Let me know if anyone has any ideas!
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Why I'm getting artifacts with normals of exported mesh?
I've created mesh and exported it in unreal engine 5, where I'm getting strange artifacts like this:
when in Blender it looks okay:
I thought the problem could be in normals, but looks like there is ...
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How do I get rid of the artifacts on this sphere?
I'm currently learning Blender because I need it for a university project. I have some previous C4D experience, but never really learned topology and modelling.
I have the following problem: The ...
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Artifacts on semi transparent object in Material view
I have modeled a simple perfume bottle with some transparency on its body. It's looking fine, but the only issue are the weird 'blocky' artifacts that appear 'only' in Material view. They do not ...
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Black stripe Artifacts when rendering
I am relatively new to blender and I have a wooden texture table that looks perfectly fine in viewport shading:
However, the cycles rendered picture looks like this:
Looks like artifacts at the ...
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Wrinkles in shade auto smooth
I Used a Boolean modifier to make windows on a curved mesh and shaded it auto smooth now I have wrinkles in my mesh.
I have no Idea how to fix this or another way to cut windows in to my mesh. Could ...
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Mysterious light streaks on a simple mesh
I'm guessing this has been asked thousands of times but I haven't been able to find a helpful answer yet:
I'm getting strange light striping & shadows that show up at specific angles on this ...
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How do I fix the faces of a bevel looking pinched when smooth shading?
When I try to bevel the edges of a corner, the faces of the bevel end up looking pinched when I turn on smooth shading. I've tried a weighted normals modifier and shade smooth by angle but nothing ...
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What is this fuzzy artifact?
I'm trying to understand what is causing the fuzzy white distortion in my render (see edges of arch & star streaks). I've tried various smoothing and anti-aliasing settings but no luck. I'm a ...
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Dark artifacts appering in render when using subsurface shading on joined meshes
I have this dark artifacts on parts of the meshes when they intersect each other, the parts are just joined, not boolean together, this happens when I use subsurface effect in my shading properties of ...
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Having problems with artifacting and odd geometry bending with rigged model
I am new to rigging so I don't know the more in depth details of what I have to do to get it to work right.
Here is a video of what I have... https://youtube.com/shorts/VEwOycbygDw
My first problem is ...
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Fix Crease Where Two Objects Meet
Goal: To get the two objects (mountain and flat plane) to have a seamless transition while still keeping them as separate objects.
What I've Done: I made it so that the mountain texture fades to the ...
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What can be a reason of dark areas on mesh?
I worked in edit and sculpt modes and clicked some key combination. After that I've got strange dark areas at mesh:
What could be a reason of this areas? I haven't changed anything in shader, so the ...
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Strange left-over vertices after using a boolean to intersect two objects
I have this simple wall that has 64x16 subdivisions
and then an arched wall (created by beveling a wall of the same size but with only 8 vertices).
Now I want to intersect them using a boolean so ...
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How to remove unwanted edge artifacts at borders of Cycles-rendered images?
I'm tried rendering cubic skybox with a procedural Sky Texture in Blender via Cycles and unexpectedly encountered artifacts at boundaries of rendered square images (which a skybox is then assembled in ...
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What's causing the shrinkwrap artifcting on my model?
I'm trying to retopologise a very messy and destructively created mesh that was non manifold. However, after giving it a shrinkwrap and subdivision modifier, I'm noticing some strange indents that ...
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Black Bar Artifact in Cycles Render
Attempting to render out a scene and I'm getting a strange black artifact at the top of my render, oddly it doesn't seem to effect the doors, and there is no material overlap. I've tried rendering ...
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Cycles issue - Edges of the mesh show on some parts of model
I have a number of rocks generated with geometry nodes, then sculpted. The issue is that the edges look split at certain parts of the model, it is almost like the wireframe shows up at some places.
...
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How can I get rid of these artefacts?
I have some curvatures on my mesh and I don't know how to get rid of those. I tried deleting some faces and recreate them but I got them back:
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What's wrong with my front face only option?
I'm new to Blender, and I'm following a tutorial.
But when I'm sculpting, I have a problem with the rendering compared to the video.
In the tutorial, we use the "Clay strips" brush with an ...
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114
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Overlapping Polygons Causing Render Artifacts
I want to render a model that has overlapping polygons. The viewport and Cycles render show artifacts wherever the overlaps are. Is there a way to fix that in the render settings?
Viewport
Render
...
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Artifacts and flickering in renderd animation but not in rendered view
I rendered an animation and there are weird artifacts that almost look like refractions:
There is also weird flickering in the hair, but I assume thats caused by the low sample rate and the low light,...
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My geometry is going wild while sculpting using a brush
Like the title says, I'm sculpting using a brush and the model just creates weird artifacts. I really don't know what I'm doing wrong here.
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Cycles render glitches
Im having issues with rendering with cycles as the left side of the blade creates some sort of glitch. Any idea what might be causing this?
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Normal Map Baking Artifacts
I have this model, which when baking the normal map always has artifacts in the same place - on the upper ring, into which many "beams/pipes" are inserted. The mesh consists of several ...
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Artifacting in model
I created my first person in Blender. It's looking ok, except for a strange artifacting at the neck. I don't know when it first appeared, I didn't notice it until I was done. You can see from this ...
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red normals produce correct shading while blue normals produce bad shading
Isnt it supposed to be like the visible part of the object from the camera should be blue?
Also i have this large object with many details, some of the parts look correct with blue normals and some ...
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Shading issue on a line of edges
I'm facing an issue with shading on some edges that appear.
Here is a view of the topology.
I make sure it's only quad and that the surface is flat, but still this edge line appear. It's seems that ...
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138
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Strange shading 'glitch' on imported glb models
I'm coming across an issue where the textures on this steam mop model are covered in what I can only describe a glitches or artifacts. The model is exported from Adobe Stager as a .glb file and opens ...
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Modeling Artifacts
I have been modeling a house for the past few days. When I export it, I get these strange artifacts that I can't seem to fix. I've tried cleaning up the mesh and combining vertices by distance, but I ...