Questions tagged [glass]

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46
votes
6answers
37k views

How to illuminate the darkness inside glass objects in Cycles?

My model has a clear plastic (or glass) dome with objects inside. The objects appear dark. I've tried the glass shader with color 100% RGB, with very small IOR, and using just a refraction shader. ...
23
votes
1answer
39k views

How can I make a more realistic glass shader? [duplicate]

Here's a sample scene: A room with a window, a point light to project light into the room, an HDR environment outside the room and a nice Image by Rembrandt that should be somewhat reflected on the ...
13
votes
2answers
2k views

Making a wall made from glass bricks

I need to make a frosted glass brick wall (see the example) for archvis picture. What is the best approach for it? Using just a cube with a texture of framing grout and glass shader for bricks will ...
8
votes
2answers
265 views

how to recreate microscopic diatom glass material

I have been trying to recreate the material seen in the picture without success, this picture is an electron microscope image of diatom shells, they have 2 important characteristics. first, since they ...
7
votes
2answers
879 views

Glass: Increase “Transmission Roughness” as the object behind goes far

In the real world, there are some rough glasses that as objects behind them go away, they (the objects) become more blurry, but when we stick an object just behind this type of glass, it's almost ...
5
votes
1answer
922 views

How do I control the blurriness of light through frosted glass?

I'm trying to create soft lighting through non-bumpy frosted glass. This is my attempt and it's not really working the way I want it to as reflections have no blurriness and not the kind of blurriness ...
5
votes
1answer
274 views

Refract grease pencil object?

so I'm trying to use the new 2.8 Update to do a grease pencil animation behind a dirty glass window in Eevee, but the grease pencil object does not get refracted or effected at all by the glass shader,...
4
votes
2answers
707 views

A strange problem with rendering glass in Cycles

While I look on my model by shift+z (in viewport) it looks good: Render without wired connections to the center But when I render same scene out it looks like this: I think this is caused by wrong ...
4
votes
2answers
462 views

Blur effect throught glass

What I'm trying to do in Blender is a blur effect in a way that, whenever something is not behind the crystal of the glasses, it should be blurred. That means, the sentence "Saw you there" should be ...
4
votes
1answer
4k views

Export transparent material in GLTF in blender 2.8

I am trying to export a glass material in gltf. Here is the material principled shader, notice I have transmission set to 1.0: this gives me this result in cycles (the glasses have the glass material)...
4
votes
1answer
256 views

How do I create a circle-pattern effect on window-glass?

I'm currently working to re-create this little scene in my windowsill in Blender with Cycles. My window-glass is covered with a thin sheet of plastic, which has a circle-pattern on it. This gives the ...
4
votes
1answer
2k views

My glass material isn't transparent in Eevee

When using Eevee, an object with a glass material (in this case: Principled BSDF, trasmission set to 1.0) doesn't seem like it can be looked through: it's completely opaque. See for instance the ...
4
votes
0answers
1k views

Differences between Principled and Beckman Glass BSDF

Comparing Cycles renders of a glass bowl, I see a color shift and an angle shift when switching between Principled BSDF shader and Glass BSDF (Beckman) shader. Is anyone aware of other differences? ...
3
votes
3answers
3k views

Glass acting as a lens?

What could be causing my plane with glass shader to act like a lens? I want normal glass, and already have tried 2 different node setups, but it still acts like a lens. Render: Glass node setup 1: ...
3
votes
2answers
454 views

How to create a “hollow” glass tube

I am working on a cathode ray tube (CRT) based off of an original model. Is there a way to make a glass object (the tube) hollow? In reality, the tube is not filled with glass, so the glass shader ...
3
votes
1answer
2k views

How to Make Glass Less Reflective?

So I am making my first interior scene and I have made a coffee table but am struggling to make it less reflective. It looks as though it's a mirror and I just want to know how can I make it more ...
3
votes
2answers
249 views

Window glass material (Eevee)

New to blender, got a question about window glass. I have tried several examples but can't get it to do what I want. The problem is that the background which I have set in the world settings is ...
3
votes
1answer
665 views

simulate gold foil sticker on glass [duplicate]

wise Blender-World folks, I'd like to do a proper simulation of gold foil stickers on glasses (like a decorated long-drink glass). I am pretty sure about pictures with transparency and stuff that ...
3
votes
1answer
94 views

Reflective Glass shader, like those in our window

I want my glass in Blender to be reflective and also transparent, like most glasses of the windows (not MS Windows). They reflect light to the lighter side. For example, during the day, it behaves ...
3
votes
1answer
1k views

How to control specular/glossyness of glass shader in cycles

I am trying to control the amount glossyness/specular (not roughness) of glass but not able to find any option in cycles. I have tried both the traditional glass shader and the new Principled BSDF ...
3
votes
1answer
1k views

Pixels artifacts when rendering glass BSDF with Cycles [duplicate]

I was trying different types of materials with Blender, and I tried to play with the glass with Cycles, but in the render, it makes weird blue pixels on my blue table. Even in the preview tab it ...
3
votes
1answer
257 views

Glass shader has black parts

i'm trying to render this glass material but i have these black parts all over the model. Any idea what could be the cause of this ?
3
votes
1answer
81 views

During a Cycles render an object behind glass looks striped [duplicate]

Using Cycles I rendered a object inside a tube (it's glass material). The problem is the object edges are striped as shown here: The same thing happened for another project too: In the first ...
3
votes
1answer
473 views

Cycles - transparent background still renders background color through glass?

Im having an issue with glass rendered where there isn't something IMMEDIATELY behind it - either objects are in distance or there actually isn't anything there. I need it to render CLEAR, meaning ...
3
votes
2answers
3k views

EEVEE Glass Shader

I am in rendered view in the viewport and my glass shader isn't working correctly. I remember a couple months ago I was making glass for a ship and these settings are the only thing I had to mess ...
3
votes
1answer
168 views

How can I get my glass to look like this glass?

I have tried to make it look like this but I cant get the reflections with it still being see through. Could someone please help figure out how I can get my glass material to look like this?
3
votes
0answers
879 views

Cycles: realistic light refraction for glass lenses

I found this image somewhere on the Internet: It was made with Cinema 4D and some special renderer. I decided to try create somethings similar using our favourite Blender and Cycles. To achieve a ...
3
votes
1answer
1k views

Partially high noise using glass material [duplicate]

I created a simple bottle and applied a glass material using the new principled shader. When it comes to rendering the surface of the bottle turns out incredibly noisy, except the part on the front ...
2
votes
2answers
235 views

How do I model the secondary reflection coming from the inside of the back surface of glass?

This is not a duplicate of the tricky glass shader question.1 The tricky glass shader does not handle the features of this scene. I've been trying to render an image to match the glass in the ...
2
votes
1answer
5k views

Glass rendering very dark/black [duplicate]

I'm trying to achieve a basic clear glass material, but it always renders as "black" glass. I'm new to Blender, so I'm probably making a fairly simple mistake here. Thanks for looking...
2
votes
1answer
862 views

Can't see a glass object through another glass object in Eevee

I was just testing Eevee and found that you cannot view a glass object through another glass. Is there any workaround? It works fine only If I rotate the glass window or put my camera to the back side ...
2
votes
1answer
104 views

Glass pane not acting the way it should

Hello guys, thanks for clicking this post, I am trying to make a basic cableway but unfortunately I got stuck at one point. I was trying to put there windows but the glass panes don´t seem to work ...
2
votes
3answers
1k views

Why is glass material increasing noise, and what to do about it?

I have a quite simple rendering in Cycles, containing some droplets with a standard glass material – only glass node, connected to surface of material node. The problem is, the glass increases the ...
2
votes
1answer
4k views

Adding smudges/fingerprints to a glass material

I have a project here that uses a lot of glass panels and to bump up the realism, I added fingerprint textures. However, I still don't know how to add or combine them. I got mud instead of ...
2
votes
3answers
157 views

Glass not rendering correctly

I've no idea where this grey is coming from. Transmission 1.0 and Roughness 0
2
votes
1answer
326 views

Refraction quality is lower in rendered image than in the viewport preview

I was playing around with Glass BSDF shader to see what it look like and how it interacts with its environment. Bellow, you can see a test scene. Preview Final The preview render on the sphere ...
2
votes
1answer
974 views

Is it possible to show glass as being transparent in the viewport

I have been trying for a couple of days to make an object with a glass material transparent in the viewport. I've seen a couple of tutorials using the material viewport shading and cycles render to ...
2
votes
1answer
36 views

Keep Refraction and Remove the background object

Hope you're all good, I have a question, I made an object and use the refraction BSDF on it, so it refract the image I put in the background. And I want to keep the refraction of the object but i ...
2
votes
1answer
363 views

Eevee - Mesh light illuminating scene from within glass (i.e., light bulb)

I'm trying to light a scene in Eevee using light bulbs. I have a filament (emission object) within a glass object. Basically, I'm able to see the emission object through the glass, but the light is ...
2
votes
1answer
115 views

glass of orange juice looks differently in viewport and render image

i have created a very simple glass of orange juice and placed it on a wooden table. when i look in viewport render it looks like this -- but when i render it changes to this-- in both times I have ...
2
votes
2answers
14k views

Creating glass material - Glass shader or Principled give black/dark or mirror render in Cycles

I have already searched for as many threads I could find to find a solution and tried them all as best as I could, but I can't make glass shader or Principled shader work with to make a transparent ...
2
votes
1answer
896 views

How to properly light a scene that's both indoors and outdoors

I'm creating an architectural rendering and I would like the inside of the house to be visible, yet, I want the windows to be closed because that's what I was asked. The problem is, with Sun strength ...
2
votes
1answer
76 views

I don’t think cycles is working

So last night I was trying to make a crystal structure like the one in ducky3d’s video about fantasy crystals. I am very new to blender so bear with me. The transparency doesn’t work and I never see ...
2
votes
1answer
293 views

Eevee thin glass surface

I am experimenting a bit with Eevee to get used to it but I can't render correctly objects with a thin glass surface (a sphere with solidify modifier for instance). Instead Eevee renders an object ...
2
votes
1answer
112 views

Why are my Reflections colored?

I've been working on a ruby material and I think is pretty good so far but it has a major error that I don't know how to fix. Every reflection on the faces of the ruby are colored and this is ...
2
votes
1answer
434 views

Strange vertical black stripes

I'm new to Blender fluid simulation and want to fill a cylinder with water. As you can see in the following image, it fills up the cylinder, but on the rendering result, there are strange black ...
2
votes
2answers
5k views

Shader for see-through glass?

I want to create a simple see-through glass but without the reflections and refraction. Here is the issue: The refraction makes it look like there is another chair in front of the original chair. ...
2
votes
1answer
86 views

ArchViz Glass for quick renders in Cycles?

I have seen a number of different opinions on what light paths should be sent to the mix shader for doing archviz glass for quick renders. I've always used either just the shadow ray, or the shadow ...
2
votes
1answer
118 views

Why is this weird line in appearing in Glass material?

I cannot understand why this weird line in appearing in my coffee I decreased IOR of my glass and increased density of coffee. I moved light, checked if I have two materials and nothing is working. ...
2
votes
1answer
89 views

Glass shader looks dark depending on exposure setting, even though there is enough light in the scene to compensate

I always work with sky and sun light high values to emulate real light, this leads me to use negative values on the exposure, usual linear workflow for better GI bounces, this causes the glass shader ...

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