This Phenakisti-Scope is 12 frames. But this disc has 13 waves and 11 birds. therefore the birds and waves turn around against eachother. On making Phenakisti-Scope like this, it's easy to devide 12 frames from a disc but difficult to do 11 or 13 frames.
So I make a program to generate formats that have form 10 to 30 frames on a disc, um... it's like spider's web.
