this post was submitted on 24 Aug 2025
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The app I want to be transparent is a GTK app: OrcaSlicer. I want to overlay an Orca render on top of a web cam image of the actual part and align them to have identical zoom, perspective, etc. Is there a way?

Any help or suggestions appreciated!

KDE v6.3.6 / Manjaro

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[โ€“] Dima@feddit.uk 5 points 11 months ago* (last edited 11 months ago) (1 children)

With KDE you could set Meta + Scroll wheel to adjust window transparency, you can do that in the section of the settings where Meta + drag is set for moving windows, don't remember what it's called

Edit: Just turned on my PC and checked, it's in settings under Window Management > Window Behaviour > Window Actions. Set the bottom mouse wheel option to "Change opacity".
Meta is the "Windows key" if you didn't know

[โ€“] TomB19@lemmy.world 2 points 11 months ago

This is absolutely brilliant. Thank you! This is massively helpful.