Questions tagged [artifacts]

questions about strange visual discrepancies in renders

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153 views

Compositing Shadow pass problem

Here is my problem, I need to create 2D aspect animation from 3D model in blender. From the start my rended image is ok But when I transform it, I need to use the Shadow Pass and it looks realy ...
4
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1answer
142 views

Why does cycles' volumetrics leave stepping artifacts?

When I render out my rather sharp volumetrics, I get the kinds of artifacts shown in the images and links below. They are obviously produced by step size, and samples stepping through the volume, and ...
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0answers
27 views

How can I remove these little artifacts from my rendered image? [duplicate]

I've read that too many reflections can cause these artifacts, but I couldn't find a solution to remove them. My sampling was set to 512.
2
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1answer
48 views

Blender boolean modifier difference make distorsion

I'm trying to create a difference between two objects. Let's see my object below : As you can see, I get a really bad result. I would like to show you my shape before applying the boolean modifier. ...
3
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0answers
188 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 ...
1
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1answer
102 views

Blender artifacts when zooming out

I facing the problem that I get artifacts around areas where polygons are close together when zooming out: this is also visible in rendered shading. It seems like some of the polygons disappear: This ...
1
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1answer
296 views

Exported model from Blender has holes when imported in Unity

so I have a problem with exporting. I finally have gotten myself to pick up Blender and this is my first attempt at a low poly model created from the ground up. And in blender it seems to render just ...
0
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1answer
834 views

Low poly mesh/Oddly sharp edges on normal map where it is supposed to be smooth

I was wondering if anybody could help me with this problem I'm having with all my models/normal maps. As you can see, it mainly happens on the handles[the handles of a knife model]. You can still see ...
0
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1answer
88 views

Strange artifacts in a simple object

I'm modeling a mirror. I created this frame by extruding planes for the outside part and then connecting both holes from the front and the back. I used and applied a mirror modifier for the Y axis. ...
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 ...
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0answers
54 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'...
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0answers
16 views

Render vertical artifacts [duplicate]

Can't find information on it, since don't know what it is actually. This is what I have in Rendered Viewport Shading: And this is what Render shows me as an result: So, what are these vertical lines?...
4
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1answer
885 views

Smoke Simulation has weird artifacts and looks low res

I can't figure out why my smoke looks like this. It has weird artifacts and looks like it was rendered on 144 resolution. This was actually rendered in 2560 x 3840. I also used 400 samples and I'm ...
0
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1answer
297 views

Is there a way to deal with artifacts appearing in texture painting?

I noticed that if I start painting a 3d model, after a while some "white spots" artifacts start to show up, and they become more and bigger the more times I pass a brush on top of them. Here is the ...
2
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0answers
312 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 ...
0
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1answer
130 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
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1answer
53 views

How to get rid of the shape inside a shape [duplicate]

Hello guys, when i enter into Edit mode, i always get this shape inside the mesh. (I'm talking about the rectangle inside the cube) does anybody knows how to remove it? or what its for? (if its ...
0
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0answers
29 views

subdivision problem

I started learning blender a month ago, I'm trying to make a jukebox but I got some problems This is what I've done so far: When I add subdivion: Adding holding loops(?) helps but creates artifacts ...
1
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1answer
148 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 ...
0
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1answer
113 views

Reflections showing wave pattern after adding plane

We actually it is quite hard to describe my problem with only using words. 1 My problem is this weird wavy contour. Without the plane underneath the can, the reflections look fine (like in the bottom ...
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0answers
77 views

Dark artifacts while rendering

I have tried recalculating the normals, added an Edge split modifier and tried the Subsurf Modifier too, but none of them seem to remove the dark artifacts around the edges. Increasing the ...
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0answers
150 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 ...
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0answers
138 views

Black areas appear when using Glossy and Normal Map, Cycles

When I add a normal map to glossy, glass or any reflective material there are appearing black zones and spots on it, like the light is not reflected there. And it doesn't matter of normal maps, and ...
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0answers
69 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
68 views

Black areas when rendering in Radeon 7870 GPU [duplicate]

Hello everyone, I have a problem with the GPU (msi radeon hd 7870 2gb oc edition), practically in some scenes the rendering with the gpu form some black parts, which are not shown if I render the same ...
1
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1answer
122 views

Shrinkwrapping moiré-like artefacts (blender-osm)

I'm having issues with getting a water polygon imported through blender-osm add-on to properly shrink-wrap on the corresponding terrain. Here is what the artifact looks like (the black moiré-like ...
2
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0answers
46 views

Getting black spots in blender render, render [duplicate]

I'm using Blender 2.79. I've looked at a number of possible answers on this, but none seem to help solve the problem. I'm getting these weird black specs in renders when using blender render. I've ...
1
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0answers
126 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
124 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 ...
0
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1answer
302 views

How do I fix this issue with my model's texture

I've recently created a humanoid model to use for animating in the cycles engine, and in the texture view and material view, it looks fine. However in the rendered view, I get strange black spots on ...
2
votes
1answer
392 views

What's causing the colorful artifacts?

I've been using Musgrave textures for years, but in 2.79, I am getting some ugly artifacts along the edges of the object. It doesn't happen in the preview render, only in the final render. Is anyone ...
1
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2answers
102 views

Render Layers causing pixelation

I used this answer (Prevent shadow on object/material A, allow for object/material B) and it helped me a lot. However, this method is causing these jagged black pixels when I am combining them. What ...
0
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1answer
71 views

Artifacts after render

I have taken over this project. I need to render this with a new UVMap/Shape however Im getting these lines appear. Here is a partial of the UVMap/Shape. I believe the error is coming from location ...
1
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1answer
384 views

Mesh inside soft body - Mesh Deform not working

I am trying to make a mesh inside a soft body following this post: make soft bodies stay inside another soft body It creates artifacts when it moves, and i dont know what the problem is :
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0answers
51 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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1answer
131 views

how to get rid of these weird artifacts in my fluid sim?

Theyre most prominent in the top left of the image. Ive tried increasing the resolution but that didnt seem to help.
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0answers
40 views

360 renders have artifacts on glossy objects

I have made a scene with an ocean. I used glossy shader as its material. When I render it I found weird artifacts at the bottom of the 360 render. So I made a new blend file to test if the issue is ...
1
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0answers
37 views

what causes black artifacts on the surface of a model? [duplicate]

So, I'm pretty new at Blender, to say the least. I've followed lots of tutorials and decided I was ready to try modeling something on my own. So far, it's turning out great. I have an issue with some ...
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0answers
159 views

Incorrect display of objects in solid view

My objects located close to each other and when they are displaying partially. They also disappear sometimes then zoom in/zoom out. There are two plains above another plane on the image.
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0answers
117 views

Triangulation artifacts

After triangulation I've got these shading artifacts. how do I get rid of them?
2
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0answers
718 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,...
0
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1answer
61 views

Model/Mesh Fractures

Im new to blender, and new to the site. Ive researched my questions on the internet, and asked a few people, and they all basically sent me here. So i was hoping that I could get some assistance. So ...
0
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2answers
509 views

xnormal weird normal map bake, substance and handplane baked flawlessly

can someone possibly explain why this is happening, this was from a model I baked in XNormal, I don't really understand why its having this effect. I tested bakes in Substance and HandPlane; both gave ...
0
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0answers
229 views

Bevel modifier artifacts when designing house

I'm using the bevel modifier -- in conjunction with the subdivision surfaces modifier -- to make a house, but it's resulting in artifacts; namely, unsightly creases/dents at the edges of walls. I ...
0
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1answer
292 views

Weird Render transparency artifact

As you can see in the picture below, I have just rendered a frame of an animation and a triangular piece is missing. You can download the .blend and try it for yourself - it happens on some frames(...
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0answers
41 views

Visual artifacts when seeing an object form afar in Edit Mode [duplicate]

I'm trying to model a double sided cabinet using metric units (if thats helpful) and I'm seeing both inside and outside faces without enabling wireframe mode or something like this. Does anyone know ...
2
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2answers
857 views

Subdivision Surface Artifacts / Topology Issues?

I am trying to create an archway and getting this little artifact with subsurface. I've tried a few things, moving some geometry around but unable to get rid of it. Any insight as to what I need to do ...
-1
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1answer
175 views

Unity. Animation precision is lost for character's blinking [closed]

I am having a little problem with an animation imported to Unity From Blender. Everything looks great, except blinking. I've made 2 spheres with one bone, and with constant interpolation animation I ...
1
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1answer
143 views

Why a scene render might have many very dark triangle artifacts?

It was imported from obj and the scene has some environment light and a lot of sun light (the only way to make shadows more ...
0
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1answer
620 views

Pixelated shadow appearing in Cycles when using bump in node editor

I have a fairly simple scene with two cubes and a sphere on a plane. Each of the items has an image texture applied to it and a point lamp provides illumination. The sphere has a slightly more ...