I too was under the impression this is only a guideline decission because the part authors couldn't get too a agreement.
I voted yes because this way stickers are self contained, meaning you could place them on any part or assembly using a reference with some transparent color in order to blend the sticker with the whole without messing up a part of the pattern.
I voted yes because this way stickers are self contained, meaning you could place them on any part or assembly using a reference with some transparent color in order to blend the sticker with the whole without messing up a part of the pattern.