Questions tagged [artifacts]

questions about strange visual discrepancies in renders

58 questions with no upvoted or accepted answers
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203 views

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 ...
2
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0answers
22 views

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 ...
2
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0answers
150 views

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 ...
2
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0answers
201 views

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 ...
2
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0answers
345 views

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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0answers
750 views

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,...
2
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0answers
326 views

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 ...
2
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0answers
65 views

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 ...
1
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0answers
19 views

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 ...
1
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0answers
22 views

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 ...
1
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0answers
48 views

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 ...
1
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1answer
86 views

Strange artifacts

I imported a model but after i set the materials, these strange artifact appeared and the lighting seems wrong. I tried to recalculate the normals, disable/enable the autosmooth and other things but ...
1
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0answers
23 views

Artifacts on my explosion render

i have a problem , because when i render my project. On my scene appears rectangle.
1
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0answers
47 views

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 ...
1
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1answer
166 views

strange artifact when rendering volume

I'm using a volume scatter shader to render an atmosphere for a planet. To save on time I used a spherical gradient and ran it through a color ramp to get white only on the rims of the sphere. This ...
1
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0answers
172 views

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 ...
1
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0answers
71 views

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 ...
1
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0answers
130 views

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 ...
1
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2answers
129 views

Artifacts / Darkening while baking

I created this crate for a game I'm working on, I've been trying to bake my wood pallet texture I have but every time I try to do so my bake comes out having artifacts and the material itself darkens ...
1
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0answers
55 views

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 ...
1
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0answers
120 views

Triangulation artifacts

After triangulation I've got these shading artifacts. how do I get rid of them?
1
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0answers
158 views

How to avoid mesh anomalies after Knife Project

Using Knife Project to have some windows and doors in an aircraft fuselage, however the cut produces these anomalies around the window corners, where the triangulation is, that I cannot find a way to ...
1
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0answers
1k views

artifacts in baked normal map(cycles)

trying to bake normal map from high to low poly mesh result have artifacts 1- it not smooth 2- it have some weird colorful areas what I did wrong? need help :(
1
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0answers
443 views

Artifacts blender cycles

I did a Tutorial on YouTube. When rendering the animation I got a diagonal line with artifacts. This is a render of 300 samples I am fairly new to blender so thought i was doing something wrong. ...
1
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0answers
85 views

Garbage pixels along one edge of image in 3D view

My son is working on a project in which he is creating animations using 2D images. We are seeing pixels along the top edge of one of the images in the 3D view and when rendering. There are no pixels ...
1
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0answers
234 views

Dark spots and lines showing up on render, GPU vs CPU?

I've been rendering out an animation for the past three days of a punching bag flying through a wall. However, I noticed something kind of annoying. From frame 72 to 73, it seems like the smoke gets ...
1
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0answers
570 views

Horizontal Render Artifacts When Using OpenCl

I've just started rendering with my new AMD GPU and realized that I'm getting some strange horizontal line artifacts. As you can see, in the box on the right, there are strange blue lines, and all ...
0
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0answers
19 views

Shadow terminator artifacts issues

I work with Blender 2.81a and I have a problem with some artifacts in the shadows of objects with smooth shading. Based on the release note of Blender 2.81 ,(https://www.blender.org/download/releases/...
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0answers
11 views

Final render textures have artifacts that don't show up in viewport renders

I created textures in Substance Painter for a skeleton model I created from scratch in Maya which I rigged in Blender. I used the Principled BSDF to apply all the exported textures from Substance. ...
0
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0answers
22 views

Reflection-edge and pixels artifacts

How do I get rid of the double edges and pixel blobs in this image created with Blender? I used reflection and transparency to create the "membrane" with a glossy look; enhanced using multiple lights. ...
0
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0answers
50 views

My glass has a smudge

I made a cup with a glass by setting transmission to 1 and roughness to 0. So I somewhat made it like above. However, As you can see if you zoom in it. there are several points to improve such as ...
0
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0answers
77 views

Artifacts in render (EEVEE)

I rendered this image in Blender 2.81 Alpha. The helmet has a simple glossy shader with roughness set to 0.265. I'm rendering this in Eevee. The blue is coming from a spotlight in the back. What is ...
0
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0answers
18 views

Artifacts in terrain model cycles render (model exported from FME)

I keep getting these weird artifacts when I import a model exported from FME to blender. Happens only in cycles. Is this the so called terminator artifact? Doesn´t seem to be a lighting problem since ...
0
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0answers
35 views

Why does my Look Dev Mode look completely glitched?

Today marks my first day's experience with blender. Complete newbie here. I've been following a tutorial on building simple characters and getting familiar with the work space. I noticed something ...
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0answers
28 views

weird artifacts in the viewport!

im just getting those artifacts in the viewport ,they just showed up .whats the problem here?
0
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0answers
67 views

Artifacts while rendering in cycles. White pixels shown. (Blend file attached)

I'm starting out with modeling in Blender 2.8 and have created a simple scene. Added an Environment texture to the World. The HDRI image provides lighting / reflections. The materials for the objects ...
0
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0answers
15 views

Volume Scatter intersection artifacts

I've started playing with Blender (which is totally awesome) a few months ago. Now I've experienced weird artifacts, and could not find anyone with the same problem. I'm aiming for the first posted ...
0
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0answers
74 views

Strange, indescribable color glitching near edges when using viewport shading in Blender 2.8

I am new to this website. I've been having a problem with viewport shading after installing 2.8. I am trying to make a VHS cassette (for no particular reason), but I have a problem that hasn't been ...
0
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0answers
206 views

High Poly on Low Poly Baking in Substance Painter

When I bake high poly on low poly I get some issues (artifacts) on my low poly model. Usually those are straight lines from triangulated low poly which cause these issues. I know that this problem can ...
0
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0answers
40 views

Blender 2.79b Sculpting error and / or bug (?)

This is the surface of the object I'm trying to sculpt, to which I applied a 3x Subdivision Surface modifier. [ This is a wire frame overlay to show the face and edge positioning. Here I'm ...
0
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0answers
38 views

Artifacts in viewport. Recalculate Normals and Remove Double Verticles have no effect

I feel stupid, but I don't know what to do. Bad topology? there is no triangles Wireframe Solidmode. X-ray is off. Render mode is ok, cycles artifacts
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0answers
79 views

What are these normalmap artifacts in my material?

Blender has always given me minor normal map issues in its renderer and, even since updating to 2.8, I've noticed that these errors are still around. I'm assuming this is an error on my part, but I'm ...
0
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0answers
125 views

Has anyone else had weird visual artifacts appear on perfectly normal faces when baking textures in blender render?

I'm trying to bake a UV texture of multiple materials in blender render. All faces in the UV editor are organized and separated enough that there is no possibility of color overlap where I don't want ...
0
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0answers
117 views

Fixing black faces in texture after using dyntopo

Lately I have encountered a problem while sculpting a model created using photogrammetry. When I was using dyntopo to fix areas with wrong topology, newly created faces didn't dynamically unwrap and ...
0
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0answers
66 views

Weird normal map artifacts after baking in cycles but not in blender render

I duplicated a head and add multiresolution modifier to it, then I did a simple skin texture, but when I tried to bake it into the lower poly mesh some weird artifacts appeared. I already tried ...
0
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0answers
94 views

Texture painting is totally messed up, resulting in lines and unpainted areas

after a few hours of hairpulling trial end error I ended up more confused than before. I am not extremely familiar with all that blender has to offer, however I decided to take the task of modelling ...
0
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1answer
89 views

Rendering issue (JPEG artifact on characters mouth/non-transparent background) how do I fix this?

I am rendering a Roblox character in Blender to make a GFX. I seem to be continuously running into this issue, no matter how many times I re-render the image. How do I fix this?
0
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1answer
46 views

Contain mesh within another mesh boundaries?

I'm trying to limit a mesh within certain boundaries so that I can then scale it really big and the mesh never goes out of boundaries of a box. I've tried using boolean but I get a plethora of ...
0
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0answers
56 views

Animated Curve Modifier + Cycles Motion Blur = Weird Render Artifacts

I'm trying to render an animation which involves two animated objects which have curve modifiers attached to them. After making a test render, I found some odd render artifacts, and I was hoping there'...
0
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1answer
136 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 ...