KaleidoShader.js
KaleidoShader
Kaleidoscope

Preview requires WebGL2. You can still download the demo.
Image processing demo
Flips and repeats the picture into a flower-like shape, like looking through a kaleidoscope.
Official sourceExported assets are free to use commercially and modify.
Kaleidoscope

Flips and repeats the picture into a flower-like shape, like looking through a kaleidoscope.
Official source