An awesome walk-in kaleidoscope!
From Kobe (I needed to translate the blog page), this is built as a giant origami, made of folded mirrors, inside a shipping container. The folds are fabricated by laser cutting perforations into mirrors.
(I don't think the Epilog has sufficient power to replicate this, but I'm not sure.)
Google translate says "awesome" translates to: 素晴らしい