Hello people, it's been quite a while since I last visited here (not saying that I visit here that often in the past anyways <_<). I have been inactive in Speedsolving for quite some time too; I just felt like returning to these puzzle forums as the end of my summer break approaches....
Anyways, getting back on topic, I thought that it would make a nice introduction for me to post something useful first.
This is a fairly simple yet effective method that I came up with quite some time ago to make your own custom sticker logos with common materials.
I'm not sure if anyone else have had the same idea before, but as far as I have searched there doesn't seem to be any sign of it.
So here it is:
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Material:
。Paper (scrap paper works too, because only one side of the paper is needed)
。A laser-printer (Photocopier are fine too for greyscale images; it works as long as they uses toner)
。Some tape (Clear tape is preferred, though I used Scotch tape as a demonstration because that's the only one I could find)
Step 1:resize your image to fit the designated stickers

Step 2: print out the logo
Step 3: cut out the logo
Step 4: put a layer of clear tape over the logo
IMPORTANT – make sure it covers sufficient area so you could cover the whole sticker.
Step 5: rinse the tape with water and gently rub the paper off.
The paper should come right off and leave the toner behind. No need to worry about the toner rubbing off, the bond of the adhesive is quite strong, it will stay on as long as you don't scoop it off purposfully. Make sure the surface is free of any traces of fiber or debris.

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Step 6: leave the tape aside to dry completely
IMPORTANT – let it dry naturally, NO DOT try to wipe the water off, as it'll gather debris if you do, which greatly reduces the durability of the adhesive.
Step 7: position the logo onto the designated sticker
Just make sure the image is exactly where you want it to be.
Step 8: CAREFULLY press the logo onto the sticker to rid the layers of air bubbles.
This should be pretty easy if you have re-stickered a cube before.
But for those of you who have no experiance with such thing, simply lay the tape down and SLOWLY push the air out, starting from the center, and proceed outward, make sure no air bubbles are created on the way. Don't worry if you still got some air bubbles trapped inside, they’ll go away eventually with time, so it's not the end of the world.
Step 9: crop the excess tape outside the sticker
Just slowly cut away with the outline of the sticker.
And you’re done!
Enjoy your brand-new Cubeseat stickers!

err, maybe not entirely new, but it works xD