My new box is being tweaked, in the Plasma-6 desktop shown here

https://imgur.com/0ulYgWh.png

note the left and right 'deskbars' are both 150 pixels wide but the icon
sizes are not the same. I use Quicklaunchers to group programs and even
at that the one atop the left deskbar has bigger icons. What I'm looking
to do is axtualy a size between those two ...but HOW?

TIA

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