some time ago, I saw an idea of drawing on a paper cup with an erasable pen. the erasable ink is thermal, and the color will disappear as long as the temperature exceeds 60 ℃, so as long as you pour hot water to make part of the painting disappear. Very interesting play.

at that time, I shot a New year's video with this idea, but I was still not satisfied with it. I always felt that there should be an idea that was more suitable for the presentation of "part of the disappearance". It just showed that the word "Fu" was still meaningless.

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recently it does remind me of a picture that is very suitable for "partial disappearance"-Cheshire cat! So I took another shot:

the paper cup is still relatively small, so this time it is painted on the paper, and then put a transparent glass lunch box on it. The glass is thicker and the heat transfer is a little slow, so the discoloration is also a little slow, so the video is accelerated (but unexpectedly in line with the original? ).

if you have any good ideas, you can try more. There should still be a lot of room for creativity. One thing that is not very good, however, is that there is a slight color difference between the erasable ink and the ordinary pen ink (for example, the black of the erasable neutral pen is a little gray, while the ordinary black neutral pen is thicker black).

PS: the first version I saw was that the clothes of a beautiful girl poured into hot water disappeared. It's old-fashioned but really suitable for the principle of erasable pens or read the previous article: hard-working homework mysteriously disappeared? Don't be afraid, you can still get it back