Questions tagged [artifacts]

questions about strange visual discrepancies in renders

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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 ...
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2 answers
41 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://...
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2 answers
244 views

Why do black artifacts appear on exported model?

Why do black artifacts appear on the faces of my model When I export it to .obj format? I use Blender 3.2.
0 votes
1 answer
35 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. ...
0 votes
2 answers
936 views

Blender 3.1.2 UV-Seam will cause visual seam in baked normal map (Highpoly -> LowPoly)

A lot of threads exist because of this problems, but no answer solved the problem so far for me. My baked normal maps (Cycles) will always have visible sharp edges with artifacts wherever i "mark ...
1 vote
1 answer
359 views

Weird rectangular artifacts when using Radeon ProRender

Any ideas why in viewport or rendering, I get these lighter colored artifacts on my screen? I tried disabling my GPU for render, but still happens.
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1 answer
28 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 ...
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0 answers
28 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 ...
0 votes
0 answers
55 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 ...
0 votes
1 answer
628 views

Solidify Modifier going in all directions

I was trying to create a different version of a stylized archway. I used a couple of bezier curves to get the basic shape then borrowed some of the shapes from the original archway. I got everything ...
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0 answers
37 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
1 vote
1 answer
567 views

Baking emission in Cycles makes line artifacts

I started texturing my model and I noticed that all the procedural textures I made by plugging them into Emission and backing it using "Emit" have weird lines and dots. These artifacts do ...
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1 answer
34 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)
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0 answers
57 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
0 votes
2 answers
280 views

Artifact on my model's nose

I was following this tutorial for making a 3d avatar from scratch, and found that there was an artefact on the nose of my model. The modifiers used are the mirror modifier along the x axis and the ...
0 votes
1 answer
842 views

Shading artifacts after baking normal map

I tried baking a normal map from high poly to low poly mesh. The high poly is basically just the low poly with beveled edges and proper smoothing. I'm absolute beginner when it comes UV unwraping and ...
0 votes
1 answer
260 views

White box Artifact appearing in render?

I am new to blender, and while I was following this blender tutorial: https://youtu.be/y0DMMwwdBaY At the 15-minute mark, we start using the compositing tab. For some reason, using this tab causes a ...
2 votes
1 answer
41 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 ...
2 votes
1 answer
18 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 ...
2 votes
2 answers
40 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 ...
0 votes
1 answer
31 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 ...
0 votes
1 answer
71 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 ...
0 votes
1 answer
276 views

Unusual artefacts in volume render

I am using Blender 2.82a (Cycles) to create a fuzzy ball. However I am getting this strange ring of artefacts in the rendered image, where the alpha channel shows through - I am not getting the smooth ...
0 votes
0 answers
18 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 ...
1 vote
1 answer
517 views

Strange artifacts when animating rig

When rendering in Cycles these will pop up every so often on this rig. In Eevee it looks fine. I went through the vertex groups to make sure there's no doubling up or anything like that. Has anyone ...
1 vote
1 answer
42 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 ...
0 votes
0 answers
26 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 ...
0 votes
1 answer
463 views

How to get rid of sharp edges\artifacts in Cycles?

So I imported a model of my sim into blender to mess around with renders and maybe try and make some CC, but (as usually the case with game extracted models) the model has these 'artifacts': How do I ...
1 vote
4 answers
60 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 ...
2 votes
1 answer
64 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.
0 votes
0 answers
33 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?
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0 answers
173 views

When I export object as .fbx, it creates some artifacts and that's why I can't bake normal and other maps and texture it in any other software

This is how the object is looking in Blender And this is how the object is looking in any other software as Unity or Marmoset Toolbag. I don't know what to do about it. This is my .blend file Thanks ...
0 votes
1 answer
463 views

Discrepancy between UDIM UVs from Blender->Substance->Unreal

I am having a problem with my exported texture maps from painter to UE (4.26). Everything looks great in Painter (1st image), however once importing to Unreal some (but not all) textures seem to be ...
2 votes
1 answer
37 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.
0 votes
1 answer
72 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.
1 vote
1 answer
39 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 ...
0 votes
1 answer
46 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 ...
0 votes
0 answers
40 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 (...
0 votes
0 answers
24 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 ...
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0 answers
14 views

Artifacts in all meshes, even when creating a new project and adding a basic cube [duplicate]

so Ihave that problem that all my meshes are broken so I have artifacts everywhere, especially around edges. You can see that all face orientations are messed up and recalcualting outsides doesn`t ...
0 votes
0 answers
9 views

Weird DOF artifacts in Cycles

Is there documentation somewhere on how exactly Cycles renders images with DOF? I assumed it was using one of these two options: It represents the camera as a zero-sized point in space. It spreads ...
2 votes
1 answer
31 views

Strange wavy X shaped render artifacts

I'm getting an annoying wavy effect on renders in a low poly cycles file. Whats frustrating is that I've rendered several files now with all the same settings without this artifact. The strange thing ...
1 vote
1 answer
40 views

What is causing these dents on the model/is it fixable?

I downloaded a free to use car model and I noticed some parts have these artifacts: I applied scale, recalculated normals, tried with shade flat/smooth/auto smooth but I can't seem to fix them. Is ...
0 votes
1 answer
192 views

Banding artifact on open GL Render

I'm currently working on an animation openGL project, and i have this "banding" artifacts on gradient induced by spotlights (see picture below) I'm aware it seems to be because of 8bits precision ...
0 votes
0 answers
14 views

Artifacts eevee viewport, cycles is fine

I can't figure out why I get artifacts in the viewport with material and Eevee render views. Cycles is fine — the same issue across Blender versions 3.3.7, 3.5, and 3.5.1. I have an i9 and 5700xt on ...
1 vote
1 answer
23 views

Weird ridges/wrinkles along iPhone model

I'm new to Blender/3D design as a whole and I am getting some weird ridges in my models. I believe this happened when I beveled it. Any ideas as to what I can do smooth this out? File: https://www....
0 votes
0 answers
30 views

Some triangles in imported PLY with Color Attribute appearing dark

I'm new to Blender, and I was trying to render a model from the game Stormworks, a .ply file. Having imported it, and getting stuck, given the learning curve, I consulted this guide, however, the ...
1 vote
1 answer
29 views

How can I solve this artifact (or bad shading) caused by this tri-gon?

This might be a stupid question as there's a chance that without the file it's not possible to figure out how to solve this, but: I am modeling a Daihatsu Midget and I can't figure out how to replace ...
0 votes
0 answers
36 views

Curves creating artifacts?

My mesh is issue free when laid flat but when a curve modifier is applied, it gains these artifacts. They do not show up as an edge or at all in edit mode, only in object mode. It's an issue because I ...
0 votes
0 answers
31 views

How can I fix these artifacts that appear when I set indirect only to my emissive smoke?

TL;DR: Artifacts appear when smoke with emission set to indirect only. I have this scene which contains a smoke with emission. When I render the scene with indirect only for the smoke these weird ...

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