Why is not everything transparent?
56838
Why aren't all objects transparent?
23937
What is the mechanism behind the slowdown of light/photons in a transparent medium?
153548
Greyed-Out vs Invisible
122237
How to test if a bitmap file has a transparent background?
47129
Transparent image textures in cycles
38421
Shouldn't downvoted answers on meta be non-transparent instead of semi-transparent?
21420
Why is there no light passing through the window?
94568
make an image that appears transparent (but has a background) actually transparent
145293
Making an image with a transparent background
60204
How do I get the Glare node to output transparent instead of Black background
157466
Glow effect invisible on transparent background
16136
Transparency of whole image at the position of an object
157878
I can only see model via a transparent grey strip
34195
How to set the transparency for multiple layers or add a global transparancy preference?
88568
What determines whether colors you can't see are visible or not?
125686
graphics with \setbeamercovered{transparent}
70924
How do I make my textures transparent instead of white?