Optical illusion tile (OP ART)

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5023557.

Cool pattern that produces an optical illusion when viewed at different angles. Comes in single tile, 2x2 and 3x3 sizes. A colour change is required this can be done easily in prusaslicer or cura.

Pattern created using https://www.svgbackgrounds.com

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