Here is another kaleidoscope that produces trippy imagery. The Pentakis Kaleidoscope has a 3-mirror system with an aluminum surface vacuum-coated with silicide and titanium. Thanks to its fivefold symmetry axis, the light is reflected to create a spherical Pentakis Dodecahedron with 60 reflections. The below video shows it in action:
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Pentakis Kaleidoscope
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