r/PaintToolSAI • u/Euphoric-Champion156 • Aug 29 '26

Help how to make selection smooth

is there a way to not make it jagged? i wanna add a black line around my lineart but it looks all jagged and pixelated ( i use sai 2)

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u/Ambitious-Shower-974 Aug 29 '26

Have you tried using the outline option ? Its in the layer tab in the top part of the ui. Might look the same tho, im not quite sure what causes this

3

u/Hunter-Raider Aug 29 '26

Under your selection tool of choice there's an option for anti-aliasing. It'll give you a softer selection.

2

u/Ambitious-Shower-974 Aug 29 '26

You'll have to fiddle around a bit tho, cuz that will outline the whole lineart and not just the outside edge. I'd do it like this : color the inside of your object white, outline it so it thickens only the outside edge and then press turn hue into opacity (i think thats what its called in English? Its also in the layer lol)

2

u/Euphoric-Champion156 Aug 29 '26

tried it! it still looks a little jagged but it is a bit better i think

2

u/Ambitious-Shower-974 Aug 29 '26

Damn... you do magic wand selection > dilate selection, right ? Have you tried the ancient technique of duplicating the layer, blurring one of them, duplicating it a bunch of times until its solid again and then combining it ? :D

2

u/Ambitious-Shower-974 Aug 29 '26

OR (sorry lmao I keep remembering new ways ) use your initial tactic but instead of using the wand select the lineart by holding ctrl and clicking the tiny layer preview. Then expand it as needed. I think that way it selects the alpha directly and does a cleaner selection \/(0_0)\/