Questions tagged [artifacts]

questions about strange visual discrepancies in renders

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2
votes
2answers
512 views

How to reduce artifacts on curved text/vector

this is a problem I face a lot when working with branding and typography. After importing vectors/typing, extruding and bending (simple deform or curve modifiers) it always come up with those ugly ...
2
votes
1answer
405 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 ...
0
votes
1answer
657 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 ...
5
votes
1answer
562 views

Smoke hi-res fire artifacts in Cycles?

When rendering smoke/fire simulations with cycles I sometimes get some random lines/artifacts on my render. Do you have any idea what might be causing this? There are also some issues with ...
3
votes
4answers
498 views

How can I make transparency act as expected with the internal renderer?

Seems like a z-buffer issue. Everything seems fine in the material preview, but in the render the sky (or transparency, if no sky) "bleeds" a pixel or two between the intersecting part (intersecting ...
1
vote
0answers
157 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
vote
1answer
134 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 ...
1
vote
1answer
425 views

prevent z-fighting between billboard particles?

In an effect like blossoming flowers and many other particle effects the z order of individual particles doesn't really matter, so can I tell Blender to make them stop z-fighting and causing ...
1
vote
1answer
1k views

What can I do to get rid of ugly triangles

I have a problem with baking textures and ambient occlusion. Weird triangles and artifacts appear at end of process. I have tried (i think) everything on internet like soldify, triangulate faces, ...
1
vote
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 :(
0
votes
1answer
33 views

After “with automatic weights”, nose became weird

After "with automatic weights", nose became weird. Why is this happening? Here's a video that shows the problem: https://youtu.be/1izcoGULxDo Here's the .blend file: https://www.dropbox.com/s/...
0
votes
1answer
120 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 ...
0
votes
1answer
931 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 ...