Questions tagged [transparency]

Transparency can be anything from an alpha-channel in an image, to shaders in the BGE, to transparency in a material, to the alpha pass in the compositor.

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How to add reflections like glass on transparent image?

I imported some image (png which have already transparency aplied) in blender as a plane (a rectangle with 2 transparent stripes in the middle and 3 black stripes) in shading and other modes it ...
Marcin Jasny's user avatar
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Harsh alpha edge when combining clips in Video Editing

I'm new to Blender and I'm stumbling on a surely simple problem. I want to use the Video Editing module to combine the rendered .exr image sequence of an animated layer over a background. Using Cycles....
Gabriele Zucchelli's user avatar
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Compositing - Using ambient occlusion as alpha

I'm trying to composite the ambient occlusion pass and use it as a "fake" shadow in my render. In my scene I have a sphere with a simple material a plane with a principled material I ...
user186061's user avatar
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Glass modeling workflow?

So this might be a niche question without a good answer, but I have an awful lot of trouble modeling things that use a lot of transparent materials like environments with lots of glass. It would help ...
canslp's user avatar
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Why are particles barely visible when rendering transparent background?

When I render a particle system with a black background it looks great. When I render that exact same animation with transparent background to composite it later in Premiere, it is barely visible and ...
Julius's user avatar
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Objects in holdout collection showing in render when their alpha value in Principled BSDF is not 1 or 0

i have a collection with holdout on it. Couple objects inside of that use alpha values on Principled BSDF and i’ve noticed that when the value isn’t exactly 1 or 0, it will show up on the render as ...
Esvee's user avatar
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How to combine two render node outputs into one composite, side by side? (Sum, mask, ramp?)

I am attempting to make a video output from Blender which has the (1) video natural to the left side, and (2) a black and white alpha mask on the right side, kind of like this but L/R instead of top/...
mike's user avatar
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Imported obj file textures look dull, colors not as they should be

enter image description hereI'm not new to Blender but this is a new problem for me. I have bought, downloaded and imported some plant models in to blender and the colours are not appearing as they ...
ace1919's user avatar
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Alpha reveals some black when scattering with geometry nodes / Overlap

Alpha reveals some black while "scattering" with geometry nodes. Does anyone know why this is happening? I guess this is a overlap issue. Because when I play with lower scale and lower ...
Dan V.'s user avatar
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Water Droplet Render issue in eevee

Im using geometry nodes to render condensation droplets on the surface of a can in blender 4.0. I have modelled a small droplet and shaded it with glass shader. Im using EEVEE. However, when I render ...
SOHAN C's user avatar
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Alpha clip doesn't work with Color Ramp

I want to do that with alpha clip, but I don't know how. This is with alpha clip This is with alpha blend
ZeroxXxChannel's user avatar
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Partially transparent materials (alpha mask) one in front of the other do render both trasparent where the one in front is transparent

I'm struggling with rendering a plane on which a PNG texture with alpha channel scrolls (it's basically an arrow indicating the direction of flow of a liquid) in front of a material set up as sort of ...
Omar Filippini's user avatar
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is there a way to render things in front / over other? im trying to remake this character material

Im trying to make the material of this character in blender, i discovered that he's not transparent but has a complex material in the head that make the blob with the eyes appear in front of the ...
SpiritsFish's user avatar
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How to add a background behind an transparent image?

So I have an image of the earth and everything else is transparent. I created it in blender and use a composite setup, to make the atmo slighty blurry(so it doesn't seem like it is has a sharp edge). ...
2sa2's user avatar
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Grey area around PNG despite transparency

I am exporting a PNG from a basic scene at 1000*1000px resolution. I am using a combination of a ground plane as a shadowcatcher, render properties -> film -> transparent is checked, and ...
ScottF's user avatar
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Render Unlit fog transparent for a logo

I have a problem with rendering a logo which consists of two main parts : Front half of the logo is a rather normal solid set of objects creating my font. Back half of the logo is a slightly smaller ...
Clemens Klosterer's user avatar
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camera facing shader mask

I would like to create a shader/material based mask that is 1.0 for anything that is seen in the camera view and 0 for anything that isn't. I'd like to use this to have the semi transparent hands of ...
Poppi's user avatar
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Is it possible to clip an object's alpha to another object in the viewport?

I'm trying to find a way to recreate an 'alpha clip' effect that 2D art software has. I'm trying to create 3d/2d characters. An example use case would be making a pupil/iris object, then clipping its ...
Terrabyte's user avatar
2 votes
1 answer
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Realistic wrapped plastic

How can I make a transparent plastic texture like this?
LucasGSilva's user avatar
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Adding Materials using Image Texture

What am i doing wrong here. I select the faces that i require I assign them to a new material Unwrap the UV Save as an SVG Make a template, obviously i dont want square corners so some parts of my ...
XxSTxRMxNxX's user avatar
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Movie clip editing - Rotoscoping output

I have output frames from the Movie editor as PNG before with transparent background but cannot remember the settings. I can only now get the required image with a Black background even though RGBA is ...
user2658640's user avatar
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Transparent Render Trouble Blender 3.2

I have a preloaded scene which is causing me some grief. I need to achieve a single PNG output render, which contains the object rendered, and the shadows cast, but NO BACKGROUND (transparent ...
ScottF's user avatar
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Underwater point lights creating weird lighting artifacts

I have a scene set up, as shown in the image below. The water surface is a simple glass bsd shader set up to mimic water and the surface has an ocean modifier. Everyone of these six underwater lights ...
MansenC's user avatar
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Carve geometry according to alpha

The thing I want is to carve out pieces of a mesh based on an alpha texture. It's not a noise texture, it's a specific alpha texture I have that is UV mapped, and I want to delete the parts of the ...
Red's user avatar
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I don’t understand how to use the alpha factor in RGB Node in the Shader Editor

I don’t understand how to use the alpha factor in RGB Node in the Shader Editor. So far, I’ve investigated and get some of the uses for the alpha factor when it comes for project images on planes or ...
Andrea 's user avatar
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1 answer
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Transparent images have weird black edges [duplicate]

I'm using geometry nodes to scatter a partially transparent grass image around a plane, and getting weird black parts in the background. Here's what it looks like: this is one of the grass images im ...
K H's user avatar
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Sculpting artifacts when using anchored alpha

I get these strange artifacts when using a textured alpha brush in Anchored stroke mode. It's a persistent rippling action when the brush is dragged out past a certain size. It doesn't happen when I ...
scatterbrain's user avatar
1 vote
1 answer
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transparent object is invisible behind other invisible object

I have a model with a transparent part: When its in front of an other transparent object (the trouser in this case) the trouser is invisible. So what's going wrong? Here is my Blender file: https://...
Akut Luna's user avatar
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How to maintain image transparency in the video editor

I have a render I've made of a model in blender and it has a transparent background, I've saved it as a PNG (which should keep the transparency) and imported it into the video editor. Once its ...
sleepy's user avatar
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Textured item loses color/alpha clip in render [duplicate]

I just got done with a really nice cycles render and composite. I love how it looks in the composite preview, but when I go to export/save it as a PNG with alpha, it loses a lot of the color, and some ...
uwuziel's user avatar
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1 answer
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Import Alpha Videos to blender but the frame rate keeps dropping

I imported 4K aplha video to blender and set the frame rate to 60 but the frame is under 30. Could anyone solve this problem? Here's the link of video. https://imgur.com/a/DlWH4qi
seong's user avatar
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Erroneous .whl file naming when installing bpy

I am running the latest release of blender (4.1.0a0) alpha and the naming of the .whl file that the make_bpy_whl.py script does is erroneous and pip won't let me install. It produces a file named bpy-...
porkchopsandwhiches's user avatar
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Black eyes when model Imported

For some reason when I import this model, its eyes are fully blacked out. I tried to recalculate and flip the eyes but nothing happens. I got the model from steam and imported it to blender if that ...
BruhMoments's user avatar
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1 answer
34 views

how do i remove the background in a transparent material

i am working on a water simulation i am using evee, and not cycles as the scene doesn't require that much refinement, i have trhe transparecny figued out i think, how do i get rid of theforest back ...
Kiss Me Comix's user avatar
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71 views

Subsurface problem in 4.0

I'm trying to render a character using the Random Walk (skin) mode in the Subsurface section. When the character is in a standard white base color, there's surface scattering but when I turn the base ...
Robert Hintz's user avatar
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Regular outline but for a transparent material

I am trying to have my mesh with an Outline but at the same time being transparent inside. The outline has to be only on the parts that would be viewable as if the mash was not transparent (I don't ...
emablender's user avatar
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0 answers
21 views

Rendering Alpha Video with Compositing

I want to render a video, it contains some glass text animation. I want to export transparency, but also keeping the glare and streaks that I added in Compositing. How do I do this? Seems to be ...
PenAndPaper's user avatar
1 vote
2 answers
63 views

Fog reveals alpha from png image

I am using a tree image (png) with fog. I noticed that the fog is highlighting the alpha from the png image. I am using the True Sky addon for the fog. How can I remove the alpha highlighting? I'm ...
Tobi's user avatar
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3 votes
1 answer
31 views

How do I over lap three or more render layers in the compositor?

I'm trying to place three images on top of each other using the compositor. I don't really know how to do it, I think I could use the alpha over approach but I'd need to use the alphas of both the ...
sleepy's user avatar
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0 votes
1 answer
60 views

Backface Culling shows facethrough model

I've tried out backface culling on a concave shape, and since some faces are not backfacing all the time, they show through the model: Here's a 180 degree view: (For the confused: this is a cube ...
Din Gus The Graet's user avatar
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How can I hide the interior/parts behind while the whole fox is still transparent?

Below is the fox, with the top just the clay view and the bottom the render. The material used is just an emission and transparent shader, controlled with a fresnel with the IQR cranked really close ...
Elbert Ho's user avatar
2 votes
1 answer
47 views

Eevee Problem with displaying glass (alpha blend)

I tried to make glass material following a tutorial and faced with problem when setting to a alpha blend mode I have these settings: With Opaque mode it seems fine, but I need to have its ...
mlichlundia's user avatar
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2 answers
43 views

Normals with transparency issues?

I've done a lot of digging and thought I came to a couple of conclusions but it didn't pan out. When I enable show backfaces and look at the mesh from the side like this, this is what I see. Since ...
Kyo's user avatar
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Localized shadow below object with shadow catcher in cycles

I am trying to set up a shadow capture for an object with a diffuse yet localized shadow using world lighting and transparent background. The problem is that the shadow bleeds out too far from the ...
mrp's user avatar
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Blender 3.6 transparency issue [duplicate]

I have problem with character hair. In Blender it looks fine and perfact but when I export glb it becomes like other image. I tried blending mode both alpha blend and alpha hashed. How to solve this ...
Maheta Viraj's user avatar
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CYCLES alpha issue [duplicate]

I plugged a mask texture into the alpha slot of the 4.0 principle BSDF, which is diplayed normally, white part of the texture was shown and black part was transparent, however, when there're folds, as ...
Jane Andy's user avatar
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Selected part of render rendered transparent

I am having a problem with rendering selected parts of render. Full render was done fine, no problems, but when I want to re-render some selected parts it turning out like this? When it render ...
Kamillho's user avatar
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How can I get Blender to correctly render the hair color?

I have a model extracted from an online source using AssetStudio. Everything seem to be working correctly; the model, the armature, the animations, and the textures--except for the hair portion of ...
Jack Harris's user avatar
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Particle Sytem Tree Leafs Hollow View

I am trying to make a tree asset for the game. I made a hair particle system with a collection of leafs. I clicked the make the instances real button. It looks normal before I join them together. But ...
beru-kai's user avatar
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0 answers
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Adding quick explosion modifier adds transparency to objects created with duplicate linked in Blender 2.9.3

I'm using Blender 2.9.3 and after adding a quick explode modifier to an object created with duplicate linked it added some transparency to it. At first I didnt notice because it wasnt full ...
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