bridge to free dumb

lol im not sure how to explain how i made this it was a series of events that just happend,

step one- recipt paper/thermal paper
step to-- sprey curosive liquid onto it(i used methanal(gas))
step 3 ---shake as fast as it hit the paper
step for ---- put against two differnt lights
step five----- take pics
step six repeat as needed for effect

thats the best i can do lol hope you have fun and remember i was the first. (i think)