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Questions tagged [artifacts]

questions about strange visual discrepancies in renders

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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 ...
The SkyRider's user avatar
2 votes
2 answers
240 views

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 ...
CowToesies's user avatar
1 vote
0 answers
24 views

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 ...
Matthew Masurka's user avatar
1 vote
1 answer
25 views

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 ...
InTheBlender's user avatar
0 votes
0 answers
34 views

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 ...
Matthew Masurka's user avatar
0 votes
0 answers
16 views

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 ...
Piotrek B.'s user avatar
1 vote
1 answer
26 views

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 ...
Stengy02's user avatar
2 votes
1 answer
27 views

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 ...
Monkachu's user avatar
1 vote
1 answer
21 views

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 ...
Сергей's user avatar
1 vote
2 answers
73 views

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 ...
Nazar's user avatar
  • 11
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0 answers
23 views

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 ...
SyaoranLi's user avatar
0 votes
0 answers
20 views

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 ...
Mindjourney's user avatar
0 votes
1 answer
15 views

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. ...
nyultap's user avatar
-1 votes
1 answer
34 views

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:
Sergio B's user avatar
0 votes
2 answers
151 views

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 ...
Julien's user avatar
  • 1
0 votes
0 answers
45 views

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 ...
hal's user avatar
  • 1
1 vote
1 answer
33 views

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,...
Jakob Wagner's user avatar
0 votes
0 answers
12 views

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.
user1847226's user avatar
0 votes
0 answers
14 views

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?
Berke Durukan's user avatar
0 votes
0 answers
74 views

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 ...
Klage's user avatar
  • 1
2 votes
1 answer
58 views

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 ...
USMC6072's user avatar
  • 123
0 votes
0 answers
25 views

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 ...
arafium's user avatar
  • 172
0 votes
1 answer
83 views

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 ...
BlenderUser356578's user avatar
0 votes
1 answer
76 views

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 ...
PirateDuck's user avatar
0 votes
1 answer
28 views

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 ...
Kyle Kenworthy's user avatar
0 votes
2 answers
47 views

Why are my faces warped with strange artifacts?

My faces have a weird shading to them even though the normals are facing the correct way. There are also no n-gons. When I import into substance it also looks warped. How do I fix this issue? https://...
Aeryes's user avatar
  • 111
0 votes
1 answer
71 views

Intersection of procedural road cause UV artifacts

I am working on a road generator that uses a curve to create a path and a spline parameter to generate UV. However, I have a problem with handling intersections. There appears noticeable artifacts. ...
Chirva Danylo's user avatar
0 votes
1 answer
33 views

Artifacts appearing after subdividing

After subdividing my model, artifacts are appearing in what should be sharp corners. Tried using supporting loops, marking sharp and bevel modifiers, but the artifacts remain. This seems to be an ...
Michael Peiffer's user avatar
0 votes
0 answers
35 views

Tangent Normal Bake artifacts

I am expecting a solid color bake at (0.5,0.5,1) but I am getting a bake as if it is the difference of the split normals and the original. Does anyone know the cause to avoid the streak artifacts on ...
Zak Nelson's user avatar
0 votes
0 answers
62 views

Fluid Simulation Low Quality When Dropping on Object

The gold fluid when drops on the object creates meshes (or weird bumps) at point of contact. Even when I bump up the resolution to 700 the edges of the fluid are still not completely smooth. Smoothing ...
Fatima Kayani's user avatar
0 votes
0 answers
39 views

weird artifacts in shadows

I started to get really weird artifacts popping in my scene, i checked a bit everything i thought of but it doesn t seem to fix the issue. Do you guys have an ideas about that kind of stuff? thanks
Florent Lebrun's user avatar
0 votes
1 answer
52 views

How do I get rid of these weird clumps in sculpts?

Whenever I'm sculpting I notice these clumps of verts mostly on edges sharp or smooth. What do I do? (Also smoothing doesn't help)
yua's user avatar
  • 173
2 votes
1 answer
53 views

Striped artifacts on object when applying metalness-map to shader-node

i hope you can help me with this. So i have the problem that my model gets striped artifacts when applying a metalness map I baked out of Substance Designer in the shader node, or even when no ...
Manuel Gerhart's user avatar
0 votes
0 answers
60 views

filtering (moire / banding(?)) problem when downsizing video

During video editing, I noticed this issue when downsampling 4K video to HD. I tried different filtering methods, but the problem remains. Is there any setting or workaround to get rid of it? thx
shq's user avatar
  • 1
2 votes
1 answer
27 views

Line Appearing in Mesh after resizing

I'm a Blender beginner and I'm wondering why a line appears in my mesh after resizing the shown ring of vertices. I shrunk it a little. Before there was no line. My goal is to add more curvature to ...
1aoxomoxoa1's user avatar
0 votes
1 answer
40 views

Lighting artifacts on plane in Eevee

I have a plane with an image projected on it: But in the rendering and viewport, there are these stroboscopic lines that are especially noticeable in animations: I tried playing around with the ...
Eugene D.'s user avatar
2 votes
2 answers
58 views

why does my obj have differnt shades of grey on faces in object view

Why does my object have different shades of grey on faces in Object Mode? It also looks and glitches when I export it to Roblox studio, and the different shades are still there even with a material or ...
Kiko's user avatar
  • 23
0 votes
1 answer
162 views

How i can remove these artifacts in blender?

Hey blender community, i creating a emboss logo. Unfortunately after i used the modifier solidify i got some artifacts. Do you know how to remove these artifacts? Thank you so much in advance for any ...
ChangeNAL's user avatar
0 votes
0 answers
22 views

Flat Areas Bake with Blocky Colour Chunks

I don't understand why Blender can't bake a flat area without making random blocks on it. I know it did so before. This is Blender 2.93, Cycles render: Red: the top of the base Blue: the cover of the ...
blr's user avatar
  • 77
1 vote
1 answer
63 views

How do I fix artifacts caused by sculpting with dyntopo?

When I sculpt using dyntopo, it sometimes causes edges to overlap each other, causing artifacts to appear, which are exaggerated when I turn on shade smooth. Is there any way to fix this? If not, how ...
sairaaj m.'s user avatar
0 votes
0 answers
35 views

Smoke domain glitches Blender

Why does this happen? This is from an old render - sometimes there’s no weird glitching, but on other projects, the moment I press render animation, I get weird frames where the smoke domain just ...
Chris Alldridge's user avatar
1 vote
4 answers
77 views

Wave effect with pentagon shapes: Solidify Modifier does not work as desired

I'm working on a project to create a wave-like effect with pentagon shapes. I am not sure I am doing this the most efficient way, but it almost works. Except for the Solidify Modifier that does not ...
MarcusMaximus's user avatar
2 votes
1 answer
85 views

Weird shading artifact caused by a non-planar N-Gon

How to fix this weird gray area on my object? What I meant by weird gray area is the slightly darker gray triangle above the curved edges. This is a shading artifact caused by a non-planar N-Gon.
Terrible Beef's user avatar
0 votes
0 answers
54 views

Artifacts when using Data Transfer modifier to fix bad shading on cylinder

I used the Data Transfer modifier to fix the bad shading on the cylinder. It has a complex geometry due to these small details. As a result I got such artifacts. I can't understand why. Any ideas?
lemapegas's user avatar
2 votes
1 answer
53 views

Weird shading when adding inset to smoothed beveled object

I'm modeling this truck and when I try to inset to make the side windows there is this weird shading/square in the size of the inset and the edges stay the same when trying to extrude too.
Máté Szlovicsák's user avatar
0 votes
1 answer
143 views

Cycles render artifacts that looks like strings and web

does anyone know how to get rid of these artifacts? They appear on only some of the frames and I have tested them with different samples, lighting, and shader.
NAO WAO's user avatar
  • 17
1 vote
1 answer
47 views

Boolean hole gets artifacts after boolean modifier is applied and I extrude the hole

1. Cut a hole in this part, right here. Thats why I added the highlightet lines. 2. Added a Cylinder, smooth shaded, and auto smooth. 3. First problem arrives. If the cylinder only intersects the ...
patrick823's user avatar
0 votes
1 answer
77 views

What is causing this bad shading on this triangulated mesh?

I have this beautiful Lamborghini Urraco model but unfortunately I can't seem to fix this bad shading on this triangulated door mesh, it's very hard to see in Blender but it's quite eye-staggering ...
TheNuvolari's user avatar
0 votes
0 answers
67 views

eevee rendering problem weird shadows on surface / artifacts / looks hollow

Heyo, I am getting these weird shadows on the surface when rendering with eevee, but it looks fine with cycles. I already turned on soft shadows and increased cube & cascade size, that didnt help (...
max_max_max's user avatar
0 votes
0 answers
39 views

Artifacts on Viewport (Waveform/Vectorscope)

Any ideas on why am I getting all kinds of artifacts on the viewport, when selecting waveform or vectorscope? If I resize the viewport window artifacts change their look and nature, looking more or ...
Domingo's user avatar

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