Questions tagged [artifacts]
questions about strange visual discrepancies in renders
185
questions with no upvoted or accepted answers
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Artifacts when rendering irregular mesh in Cycles (black lines)
when I render with Cycles any mesh (specially planes) with a bit of irregular shape (by using previously, for example, a displacement map) some black lines appear on it. Those black lines are not ...
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0
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27
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why am i getting this texture artifacting
I notice this texture is artifacting but can't seem to find what's causing it. It occurred after I joined multiple meshes together and added a transformation to that joined mesh.
But the artifacts ...
- 95
2
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0
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46
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Why does my viewport have parts that don't show the axes?
I have a mildly annoying problem where my viewport doesn't show the axes uniformly as it should. At certain distances, parts of my axes disappear as if following a pattern. Seems like a glitch?
I ...
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0
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167
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Smoke artifacts in render
I have a strange issue rendering with Cycles.
These are some rendered images:
As you can see there is a change in color/light around smoke and expand with smoke.
Based on similar problems I've read, ...
- 187
2
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0
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641
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Car Modeling Subsurf Modifier
I am now trying to model my first sports car in blender.
I am pretty happy for the first attempt, but I have a few problems with keeping some edges sharp and subsurf others.
Currently I am using an ...
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2
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0
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261
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Why Transparent BSDF blocks reflections of Principled BSDF? (Cycles)
I wanted to share an issue related to Cycles shaders I don't really know how to face.
I am rendering a honey pot. Nothing crazy about this. But when I tried to add the sticker I noticed some ...
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0
answers
566
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Blender 2.80 displacement texture bug(?)
I thought I better seek help from others to make sure I'm not making a user error here before placing a bug report.
In using greyscale displacement maps (textures) in blender 2.80 I've noticed ...
- 276
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0
answers
452
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Edge smoothing problem with solidify + bevel + subsurf
I have started learning blender and I have run into a problem when using solidify, bevel and subsurf together.
The problem is that the inner edges of the windows in my object have artifacts:
I want ...
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2
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0
answers
1k
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Strange result from baking normal map
I can't seem to figure out what is happening here. A bug possibly?
I went from a normal bake result to this. The only thing that changed between the two bakes was the use of a mirror modifier on the ...
2
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0
answers
1k
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Normal map artifacts in Substance Painter
I am getting artifacts in my normal map when baking high poly to low poly in Substance Painter. I already discovered one thing that can cause these is that the high and low poly objects match too much,...
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2
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0
answers
579
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Rendering pixel-wise normals as RGB colors - artifacts
I am dealing with the following problem. I have a fixed camera and the mesh representing a surface. I use the cloth simulator and wind source in order to generate various shapes of the mesh. For each ...
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0
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77
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How can I get rid of these artifacts in blender internal? They appear on mesh with subdivision-modifier and lamp with raytraced shadows
When using a lamp with raytraced shadows active, artifacts appear in the shadows on the mesh IF the mesh has a subdivison modifier in the stack.
But if I apply the modifier and re-render the ...
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1
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1
answer
29
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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 ...
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1
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1
answer
168
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Cycles render problem again
I know this issue pops up periodically.
But I still haven't found a solution.
The problem is on this picture.
Other projects render great even with 128-64 samples.
I realized that the problem is not ...
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1
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0
answers
168
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Artifact with Lights and Motion Blur
I came here with this issue because i cant find any sources online that address this, in this clip there is a spaceship, more specifically a tie fighter moving at different speeds throughout the ...
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0
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37
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Weird shading fragments when rotating view
I'm currently trying to render an architectural model using Blender. However, when shaded there is a strange issue with the roof which I never encountered before in shading view.
I highly doubt that ...
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1
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0
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148
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Smoothing edges on an Ico Sphere and avoid artifacts when smooth shading
I want to model a smoothed Icosphere (a D20 Dice) but I have artifacts/ unwanted hard edges.
You can see the Star shape (*) all around the dice. The triangles appear completely flat, which makes ...
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1
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79
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Weird stripes when using subdivision modifier
So i'm creating a rifle and i encountered some weird artefact. I created a plane,subdivided it couple of times, added shrinkwrap and then added solidify modifier to make some details.
I applied ...
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0
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47
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Will this non-manifold mesh of human head cause any problem in the future professional production?
I have just downloaded the head developed by the Blender Studio. And surprisingly, I find that the head mesh is full of open holes. Ear holes, nose holes, eye holes and mouth hole are not closed.
...
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0
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1k
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Subsurface Scattering Causes Strange Dark Sections
I am working on a model and I am using subsurface scattering for the skin. It was working well until I got to the face. When I added subsurface scattering, it caused the section around the mouth and ...
- 405
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0
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80
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Visual artefact in viewport
Pretty new to blender, but i've tried to find a solution and came up blank (lots of other types of artifacting obscuring search results).
Below is my view of just a default cube. It's very annoying to ...
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0
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181
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Strange artifacts in render (in viewport render not showing)
I have a huge problem. I have an object with some holes. In viewport render there's all good, but when I render a frame, there're some artifacts.
I tried fix the mesh by shading smooth/flat, ...
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1
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0
answers
64
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Blender shows weird artifacts in both cpu and gpu
So I tried to create a procedural Minecraft grass shader (still a learner😅). But found having weird artifacts in both my viewport and render. I tried changing my render to Eevee and still had the ...
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0
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103
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why are there spots of maximal ambient occlusion?
I get strange spots of maximal ambient occlusion.
To reproduce the problem I set up a little example.
What I've done:
added a Plane
subdivide it several times
applied a displacement mod with a cloud ...
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1
vote
1
answer
112
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Faint Grid Visible in Final Render
I have a project using the dry lakebed procedural texture discussed in https://www.youtube.com/watch?v=zJGphR_LBoM as pictured (only visible at full size):
This looks OK, but on close inspection I ...
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1
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0
answers
299
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why do I get these weird stripes or waves in the background?
I get these stripes or waves in the background, is it the sample size, I am using 300.
blender 2.93, cycles, point light. sorry, I don't know if there is a term for this. and I rendered this in ...
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0
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158
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blender fails to render certain tiles -- is there some threshold i've exceeded?
I've been exploring the quick smoke simulation in Blender 2.92.0 and I have a particular quick-flash explosion working quite nicely, except blender fails to render some tiles, leaving them gray in the ...
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0
answers
75
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Artifacts in Glass
Blender Version 2.92.0
Windows 10
i7
Intel UHD Graphics 630
NVIDIA RTX 2080
I am trying to figure out what is happening with the render. When I try to render in EEVEE, I get areas that appear to be ...
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1
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1
answer
89
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Problems applying Boolean modifier to mesh using arrayed object to make Colander
I'm trying to make a colander by taking a basic mesh I created using the screw and solidify modifier and cutting out the holes using a Boolean modifier with a cylinder that I have applied three array ...
1
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0
answers
42
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how to get rid of these modelling artifacts?
i just ran into a problem.
how to do i get rid of these artifacts
i am not that much Pro as I have just started modelling
I really would like to have a car model of my own but I am unable to find the ...
1
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0
answers
30
views
Shading artifact after rendering
I'm now working on a model, it looks fine in the view port, but grey part Shading artifact after rendering to image, here the first screen shot is wire frame, and the second image is rendering result ...
- 517
1
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0
answers
415
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Blender, eevee, lighting, banding, artifacting with volumetric lighting
I'm doing volumetric lighting with eevee and outputting sequences in 16-bit RAW as opposed to png.
This reduced a lot of banding artifacts over pngs and looks okay other than flickering lights-- ...
1
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1
answer
359
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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
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517
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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 ...
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1
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1
answer
567
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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
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0
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187
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Shading is off and/or planes are flickering
Blender 2.83.4 Cycles.
I have an obj model that was purchased and given to me to use as a backdrop.
I'm not sure why pieces of the pipes are black.
In the rendered viewport shading- which I understand ...
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1
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0
answers
960
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Cycles GPU OpenCL render has square white artifacts and strange lines on an AMD RX 5700 XT in Blender 2.82
Issue:
Rendering with my AMD GPU, either in GPU-only mode or GPU+CPU mode, causes artifacting (either strange black lines if GPU-only or white box artifacts of GPU+CPU) in OpenCL Cycles renders.
GPU-...
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0
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41
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Poor quality of x-ray in 2.8
Who knows what's the reason of such poor shading in x-ray mode?
I can't do sculpting because i simply cannot see the shape because of these artifacts
X-ray value - 0.877
Viewport settings
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0
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52
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orange artifact moves with screen
i was trying to bevel something and this orange speck appeared when i ctrl z back. i cannot get it to go away and reload its still there it does not show up in a new file, it looks like 3 pixels, but ...
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0
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98
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Artifacts on stars when exporting to FBX
I've just finished a Model. When exporting to FBX (and OBJ too), the stars form some weird artifact, which you can see in the images below:
The first 2 Pictures show Edit and Object view respectively,...
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0
answers
205
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remove artifacts from transparent image
I'm trying to render an image using cycles and my rendered image has these background artifacts that look like lines. These lines match up with the extent of the picture. I made both images (the one ...
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0
answers
360
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Weird render glitch in rendered video
I was rendering a scene with a couple of objects in it:
One object with a shader to act as a "green star"
Another object surrounding the first object, with a cell fracture in the mix; Usual shader is ...
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1
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0
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433
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Extrude and Bevel problems with SVG Curves
Alright, so I'm working on a background using a 2D logo I've created for myself in Illustrator. Ive decided that for starters, I want to turn the logo into a 3D object, with each path beveled on the ...
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0
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53
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Artifacts on my explosion render
i have a problem , because when i render my project. On my scene appears rectangle.
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0
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121
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Weird Sharp Shadows when normal baked with cage
I am getting this weird sharp edges at the shadow transition when I used cage while baking them.
It didn't appear when I when cage was not used, but without cage the edges are very sharp and don't ...
- 219
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0
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439
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Sculpting problems, not enough faces?
I've just started trying out the sculpting tools in blender. I first followed this sculpting basics tutorial: https://www.youtube.com/watch?v=uVpwivEl_6o
and am now trying to sculpt a leaf shape.
I ...
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0
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184
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Artifacts appear in final render, but not in preview
I'm trying to do a simple cup, I have reduced the materials to an absolute minimum of nodes, so the issue probably isn't in the material. The rendered view in the viewport looks like this:
but the ...
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0
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236
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Remesh modifier creates unnecessary planes
I'm trying to achieve a low-poly effect on an imported heightmap after applying Subdivision surface (Simple) modifier and of course Displace
but when i add a Remesh sharp i obtain this:
Into which ...
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1
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0
answers
92
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Rectangular Artifacts
I've been playing around with the open-source space game Endless Sky, which uses flat 2D sprites for all its spaceships but the sprites are rendered via Blender. I'm investigating the possibility of ...
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0
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232
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Triangulation artifacts
After triangulation I've got these shading artifacts. how do I get rid of them?
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