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Questions tagged [shadows]

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15 votes
2 answers
18k views

Render shadows over a transparent background in cycles

I'm trying to make a logo that will be on the header of a website. What I'd like to achieve, and the reason I'm using Blender, is the projected shadows on the background looking perfectly real (as ...
MicroMachine's user avatar
  • 4,673
2 votes
1 answer
2k views

Glass casting shadows and not looking real

I'm trying to make these glass planes on the ceiling but something weird is going on with the glass shader. I tried couple of different ones but nothing seems to do the job. I'm talking about shadows ...
Bartek's user avatar
  • 57
8 votes
1 answer
15k views

Objects, shadows and reflections not rendering in EEVEE

I started to work with EEVEE short time ago and I was amazed by the capabilities of this engine. However, I noticed something strange when I was rendering some tests. Some objects/reflections/shadows ...
ermac's user avatar
  • 299
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/...
SebDev9's user avatar
  • 109
25 votes
2 answers
3k views

Volumetric Windows 10 logo effect

I'm trying to recreate the windows 10 background effect on a logo I've made in blender. Half the logo has a glass like material, the other half has a steel like material. And I'm using cycles at the ...
Des Horsley's user avatar
20 votes
1 answer
12k views

How do the new light probes in EEVEE work?

I've been experimenting with Blender's new EEVEE render engine, and so far have failed to get the realistic results I'm aiming for. I've seen some online tutorials and articles about the assets under ...
Squirrel's user avatar
  • 855
5 votes
1 answer
4k views

How to minimize/soften the shadows?

I am very beginner in Blender Cycles. I am trying to imitate this in cycles: Easter Eggs Not sure if this scene is CG or an actual photograph. I have modeled the eggs (easy), now I just want to ...
veyron's user avatar
  • 53
9 votes
1 answer
23k views

What is Clamp Direct/Indirect?

What does the "Clamp Direct" and Indirect values mean? I may seem silly but i'm really new to blender. Could you please tell me what are they useful for? Thanks!
leosefcik's user avatar
  • 115
5 votes
2 answers
3k views

How to get rid of internal shadows/blackness in glass/transparent/refractive materials?

So I'm trying to make some very refractive glass in Blender Cycles. I've tried using the mix shader with Glass, Trasparency, by a factor of Is Shadow Ray + Is Reflection/Trasparency Ray etc, and I've ...
M. O. Marmalade's user avatar
16 votes
2 answers
21k views

How to change the shadow color in Blender Cycles?

I want to change the color of the shadow casting by a cube to green. While it's very easy to do it in Blender Internal (you select the lamp, go to the Lamp data header and change the shadow's color in ...
Paul Gonet's user avatar
  • 33.4k
7 votes
1 answer
2k views

Shadow Incorrect at Bottom of Edge

In the images below, I have a cube that is sticking up about two thirds through a plane. But, despite the fact that the cube is not hovering over the plane, the shadow seems to indicate otherwise. How ...
GreenSaguaro's user avatar
6 votes
1 answer
626 views

Fixing shadows in cycles without increasing subdivision

I'm creating a dune model in blender with cycles and the shadows are kind of messed up. the model is only created from a subdivided plane and then using noise textures. it already has 1.7 million ...
Linus Dosch's user avatar
4 votes
1 answer
3k views

Volumetric Lighting not showing very well

I'm making an old dusty attic render and I've come across a bit of a problem. (Or several) I'm using 300 samples and the Denoiser, and as you can see in the following picture the rays are not showing ...
ParallelMayhem's user avatar
3 votes
3 answers
2k views

How can I make a shadow disappear in Cycles?

I'm doing an acetate animation effect: Text on 'transparent plastic' lays down on a white surface, and as the text lays down its shadow, from a sun lamp, plays on the white surface. All achieved. A ...
OroNZ's user avatar
  • 1,207
4 votes
2 answers
691 views

A mishmash of questions about lighting and messing with parallel line textures [closed]

I'm brand new to Blender (and 3D modeling). I'm attempting to use it to duplicate this graphical style (not my work): I've created my terrain, and experimented with a variety of node tutorials to ...
Dunstan's user avatar
  • 475
3 votes
1 answer
5k views

Shadow Catcher makes background objects invisible

I am following this tutorial on 2.79c about Shadow Catcher features of the latest build of Blender 2.79. My result is that the Shadow Catcher makes a "hole" in the object that is behind it. In my ...
MicroMachine's user avatar
  • 4,673
1 vote
1 answer
345 views

When using the particle system, some assets don't use their alpha channel (Weird Pixels and Black Planes)

I'm rendering a scene that I created with some assets and trees from Sapling Tree Gen. But in my rendering there are these weird pixels/shadows and when I look closely I notice that some bushes don't ...
patrick823's user avatar
16 votes
1 answer
12k views

What is a shadow ray?

I have read the Blender documentation wikis on both the light path node and on light paths. But neither of them seems to clearly explain what a shadow ray is. For instance, the light paths wiki says:...
PGmath's user avatar
  • 25.2k
6 votes
2 answers
4k views

Shadow-catcher stays noisy even with Denoising - also very dark

I am facing some issues with the shadow-catcher and denoiser in Blender 2.79. Denoising doesn't seem to have any effect on shadow catcher shadow. If I turn off shadow catcher on ground plane the ...
saicode's user avatar
  • 983
5 votes
1 answer
5k views

2.81 Transparent Background Shadow Catcher

I have a fairly simple setup in Blender 2.81a. A model, light source, camera, and a simple plane beneath it. I am attempting to render an image which renders the plane as a transparent background, ...
Onyz's user avatar
  • 153
5 votes
3 answers
4k views

Problem with shadow catcher and a question about alpha blending

I have a model of an object and a ground and I need to separate the two into two different render images. First image -- object with a transparent shadow, second image -- ground without an object. ...
Ivan's user avatar
  • 71
4 votes
1 answer
18k views

Eevee shadow problem

Recently I downloaded blender 2.8 for the new real-time render engine, but then I found out that the shadow in the eevee is really unexpected. Just like shown above, the quality of the shadow is bad ...
Shavius's user avatar
  • 49
1 vote
2 answers
2k 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 ...
Nathan Osman's user avatar
  • 1,423
1 vote
1 answer
1k views

Conflicting faces rendering as black

In my blend file here, I'm trying to write a shader that uses a gradient to mix between transparency and the surface material. So far, I've managed that. But when transparent, the object shows black ...
SgerbwdGwyn's user avatar
1 vote
1 answer
29k views

How can I fix this jagged Shadows?

I already subdividied the surface, but still getting this raw shadows in between of the spheres. What can I do?
Ulises's user avatar
  • 11
1 vote
1 answer
3k views

Transparent shadow catcher under HDRI lighting in Cycles?

This question and its answers give nice ways of creating plane shadow catchers that make the CG objects "interact" with the HDRI world. My question is very similar, but different in the sense that I ...
Sibbs Gambling's user avatar
1 vote
1 answer
2k views

I am getting strange shadows when using hair cards and cycles

I am getting strange shadows when adding view my hair cards in Cycles. I think it occurs when the hair cards are overlapping but im not sure. Anyone knows if there is a fix?
Noobasstheo's user avatar
1 vote
1 answer
105 views

Donut glass cup render has too many grains and speckles + denoiser come out distorted, shadow is also too opaque. What settings may I try out?

I feel I am nearing completion of the tutorial but am still having gaps in knowledge on how to render light properly. 2.92.0 blender file: https://pasteall.org/blend/6474d6f8bd5f4b1abbabaa41478e7e6a ...
Svisha's user avatar
  • 65
14 votes
2 answers
4k views

How to make Shadows-Only Render

How can I achieve the following effect? Here, we see all shadows, and nothing else.
Alex Safayan's user avatar
  • 1,116
13 votes
1 answer
47k views

How to render an object without its shadow?

I am trying to delete the shadow from the heart but I can't:
Meri's user avatar
  • 723
12 votes
1 answer
17k views

Make an object not cast a shadow in eevee

Is there a way to make a single object not cast shadows in Eevee?
jwrush's user avatar
  • 792
11 votes
1 answer
724 views

Is there a way to adapt False Color to be seen for color blind people?

I have severe red/green protonopia and find the red and green to be the same when I use False Color mode to calibrate lighting exposure. I'm wondering if there is a way to get numeric feedback on ...
Sunlight Swift's user avatar
9 votes
1 answer
10k views

How to hide object but keep shadow in EEVEE?

This is very easy to do in Cycles, just have to click on the camera checkbox. I cant figure out how to do this in EEVEE. Any help would be appreciated.
icYou520's user avatar
  • 5,489
9 votes
1 answer
8k views

How is Cycles different from V-Ray?

From what I know, V-Ray is the most realistic render engine out there. But, I also know that Cycles is physically accurate. How is Cycles different from V-Ray and what are the major differences when ...
Vladimir's user avatar
  • 4,705
7 votes
3 answers
5k views

How do I make a pure white plane that receives shadows?

Basically, I just want a shader for my ground plane that receives shadows but is otherwise pure white. I figured this would just be a simple checkbox or two but it's proving to be more complicated. ...
Kenmore's user avatar
  • 213
6 votes
2 answers
13k views

shadow clipped when zoom out ( eevee )

I like the shadow here but when the camera zoomed out, the shadow gone. Is this normal? how to fix this?
Albert's user avatar
  • 471
4 votes
1 answer
695 views

Transparent object shadows in volume material [Blender Internal]

Currently I am fighting with lighting artefacts within a smoke simulation, when the lightsource is within the volume and especially also within a transparent object within this volume. (Note this ...
Ichthyo's user avatar
  • 551
4 votes
3 answers
1k views

Why are my object's shadows so janky?

I'm trying to sculpt some stylized boulders for use in Unreal Engine. I got something I'm happy with: However, whenever there is light on them, the shadows look pretty messed up: After digging ...
Fractal's user avatar
  • 43
4 votes
2 answers
431 views

Odd shadow being cast: cube vs plane

I have a cube transposing a plane and just one light. The shadow casted is weird. There is something missing at the corner. When I switch to Cycles, I got the correct shadows.
Eduardo Asta's user avatar
2 votes
1 answer
472 views

Mix shader object (semi-transparent) causing unwanted light spots with Cycles on material beneath

I am new to Blender and I cannot wrap my head around this: The issue: I have a planet (icosphere) with a noise texture and a small noise bump map. Above it is a slightly larger icosphere with a mix ...
Space Squid's user avatar
2 votes
1 answer
198 views

Why do I have this weird shading issue?

I'm modelling a Gameboy right now and after adding the dpad und an A button. After remeshing everything into quads I still have some harsh edges around the A button and I cannot figure out why. I have ...
flolopi's user avatar
  • 45
2 votes
2 answers
1k views

Eevee displays shadows as though they levitate

I have a model of a building with balconies and have a few issues with shadows when trying to display them with Eevee renderer (Cycles renders good though). Honestly, I'm new to blender so may be you ...
Mikhail Emchenko's user avatar
2 votes
1 answer
506 views

How can I make any mesh be filled with smoke?

I tried putting volume scatter and other nodes into the volume output in the node tree of a monkey but it creates a cube of volume around that monkey, how can I make it so it's like a monkey shaped ...
HoofMcPoof's user avatar
2 votes
2 answers
2k views

Eevee get darker shadows

I've setup a scene just the way I like it (world surface lighting and two directional lights) but shadows are not dark enough. Decreasing world color and compensating it with increased lights color ...
What Ever's user avatar
2 votes
1 answer
451 views

One object isn't rendering a shadow in Cycles

I haven't encountered this issue before, so I apologize if this is a simple fix... but I'm trying to work on a small interior scene, and for some reason, I can get the shadow of a table to show up in ...
n0ah's user avatar
  • 517
2 votes
1 answer
159 views

Background is not blending well

In the Introduction to Camera Tracking tutorial by Blender Guru, in the first 40 minutes, he gives an introduction to Camera Tracking and then shows how to make a hole in a road. He did this in ...
user avatar
2 votes
1 answer
2k views

Is there a way to cast a shadow only on certain objects/materials but not on others?

I have an idea in my head of an animation where the (soft) shadow of some otherwise invisible object is constantly being cast on a character's face. I created that shadow-casting object and parented ...
Oliver Giesen's user avatar
2 votes
1 answer
1k views

Render object with only shadow

I have this image (the background is transparent): I was wondering if there is a way to only render the shadow of the ball, while rendering the rest of the ball transparent?
Qwurticus's user avatar
  • 187
2 votes
2 answers
3k views

How do i get rid of these black shadows?

I'm trying to render an animation about this children's crib. Essentially I'm creating a "How to install" guide as the printed one is dated and difficult to understand. Using Blender 2.78 in cycles, ...
ADMD's user avatar
  • 43
2 votes
2 answers
1k views

Emission plane is casting a shadows in cycles

My emission objects (which are flat planes) are casting shadows parallel to their faces. Rotating the planes causes the shadow line to move but not to diffuse. Blender screenshot: Render with ...
Qwurticus's user avatar
  • 187