Linked Questions
23 questions linked to/from Cycles : shadows on smooth shaded mesh, strange behavior
9
votes
3
answers
5k
views
Some areas of the mesh are dark (Shadow artefacts)
I've been modeling a hermit crab and I don't know why but some areas of the mesh are really dark on some spots, like the legs and the claws.
I hope you can help me fix it.
- 93
5
votes
1
answer
5k
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/...
- 109
1
vote
1
answer
1k
views
Bump map causes strange shading [duplicate]
What is causing this strange shading when adding bump/normal maps?
This happens in the viewport and the final render.
See image below were the sun transitions into shadow.
It should be more smooth.
...
- 2,078
0
votes
1
answer
977
views
what is the cause for sharp shadows when using strong bump? [duplicate]
I often have a problem when lighting where to see the sharp edges on the mesh. This happens when I add any bump & when I use Lamp as a light source. And the darker the scene & the stronger ...
- 345
1
vote
0
answers
740
views
Why do my objects still look blocky even after adding a subdiv modifier? [duplicate]
I added a subdiv modifier, but some parts of my mesh still look bad; in the preview, however, it looks a lot better. Why is this?
- 5,357
1
vote
0
answers
215
views
Hard edged shadows? [duplicate]
I have a model textured and every time I put Blender into Rendered View, these weird hard edged shadows show up as if I have vertices sticking out but they are clean.
Could this be a shadow settings ...
- 899
0
votes
0
answers
137
views
1
vote
0
answers
81
views
Boxy Shading in Cycles [duplicate]
I'm making a mountain model (in cycles render), but for some reason when I get close to the mountain the shading looks boxy instead of smooth.
I have smooth shading on, and I put a subdivision ...
- 31
0
votes
0
answers
48
views
Weird shadow in rendered image [duplicate]
Here's the rendered image. The problem is with the shadows on the green object's right side. It's like a weird wave shaped shadow. And I get this result in all my renders where I use subsurf and ...
- 1
0
votes
0
answers
27
views
Hard edges in render [duplicate]
I've been having this problem with several models and I can never figure out what the issue is.
Hard edges are appearing on the model in rendered view despite it being entirely smooth shaded. There ...
- 1
0
votes
0
answers
24
views
I have a problem with normal map rendering in Cycles [duplicate]
I use hard edges on my low-poly model and in these places a terrible defect appears - my beautiful normals become broken, borders appear along all the hard edges... I baked this map in Marmoset with ...
1
vote
0
answers
8
views
Shading artifacts in Cycles with no apparent cause [duplicate]
Why is my shading producing artifacts? I've search around with no solution. I can get a smooth look in Solid view, but Cycles and Eevee create artifacts. the topography is clean, no ngons, subdivided.
...
- 11
15
votes
1
answer
3k
views
What is vertex and edge shading?
I know how shading works with faces:
That's set by choosing Smooth/Flat under Faces in the Shading menu:
But what do the other two options—Edges and Vertices—do?
- 8,003
11
votes
3
answers
4k
views
Black reflections with Cycle's Glossy Material
This is a common problem I've found in a few jobs related with ocean. When the camera is close to the surface, looking at the horizon, those black areas appear. Either with a normal texture or not.
...
- 2,177
5
votes
1
answer
1k
views
Unwanted sharp shadows when using a point lamp
I'm learning the basics and while modeling a simple volcano using a point lamp for the magma I keep getting unnatural sharp shadows, even when disabling ray shadow. I don't think the problem is in the ...
- 414
1
vote
2
answers
4k
views
Strange seams on a normal map
I have a problem with a normal map.
There are 2 models: low-poly and high-poly. I've baked a normalmap from highpoly to lowpoly model, and this normal map looks perfect. But when I use it (a Normal ...
- 15
3
votes
4
answers
2k
views
Broken quads, weird rendering?
I have a bit of a problem, at the moment I'm creating a few rocks for game purposes. Im starting of sculpting them and then baking them from multires, and applying that to the lowest "subdivision", ...
- 137
6
votes
2
answers
2k
views
Blender Cycles normal map difficulty
I am having an immense issue with using my normal map in blender cycles engine. It works perfectly fine in Blender Render (but I can't get my transparency to work there, so I figured it's time to move ...
- 83
2
votes
1
answer
371
views
Normal Map bad shading in Rendered display [duplicate]
I have a Normal Map problem: I've baked a high-poly sphere to a low-poly, but whatever I try there's always a bad shading on the surface of the low-poly in Rendered display, between the light and the ...
- 156k
1
vote
1
answer
353
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 ...
- 23
0
votes
1
answer
410
views
Black patches in lowpoly mesh
I wonder what is the reason that causes the black patches in the result using cycles renderer with smooth shading? Is there any other way to fix them without making more subdivisions (The black ...
- 5
1
vote
1
answer
325
views
Low poly mesh interrupting normal map in render
I have been looking for a solution to my problem for 3 hours and unfortunately I can't find it anywhere, so I have to ask.
When I add a normal map with hi poly mesh, the edges of the object are ...
- 13
0
votes
1
answer
46
views
Cycles high angle face artefact [duplicate]
I have a sun lamp at 90 degrees to a curved mesh. In Eevee, the shadow renders as smooth. However, in Cycles, I get these black artefacts - entire faces on the shadow edge are black.
How do I fix this?...
- 25