Outlines were quite a big thing awhile ago then it was forgotten about quickly 
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On the right is with normal ROBLOX outlines turned on and on the left is using decals. As you can see using decals isn’t very good/looks ugly. Therefore it would be very good if the Outline bool value
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Were to be replaced with something like OutlineThickness or OutlineWidth which setting at 0 would be nothing and 1 would be as it is now and up to 3 for big outlines
I never understood the introduction of outlines. To not be too overbearing, they had to be made so thin that they become grainy/ gross looking no matter what. They’re also not visible under certain graphics levels, and not every game uses them.
If the point of adding that aesthetic was to establish some kind of universal look/ feel, the whole purpose was flushed down the drain. It didn’t help that it was a bad idea to begin with; it should’ve either been all or nothing, and so many people wanted nothing that they settled for half-assed.
On topic; if you’re trying to do this with specific blocks, why not use BoxSelection?
Outlines currently don’t have much use. Even if they were originally created to create a unified look for ROBLOX games, we still have other uses for outlines. I’m all for resurrecting a dead feature and making it useful.
I thought a unified look for Roblox games was the opposite of what we wanted? Outlines were a horrible failure though, it pissed off everyone. I suppose CSG gets rid of the ugly outlines that would show up through the middle of a surface made of multiple parts, but that wasn’t an option when outlines were introduced, so they were eliminated as soon as a toggle was introduced.
If you want thickness then I suppose SelectionBox.LineThickness is the intended medium?
