# What the heck am I seeing here? \[optical illusion\]

**URL:** <https://boards.straightdope.com/t/what-the-heck-am-i-seeing-here-optical-illusion/662210>\
**Category:** Factual Questions\
**Created:** [June 29, 2013, 4:28pm UTC](https://boards.straightdope.com/t/what-the-heck-am-i-seeing-here-optical-illusion/662210 "2013-06-29T16:28:51Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![ZenBeam](https://avatars.discourse-cdn.com/v4/letter/z/3ab097/32.png) [@ZenBeam](https://boards.straightdope.com/u/ZenBeam)\
**Post date:** [June 29, 2013, 4:42pm UTC](https://boards.straightdope.com/t/what-the-heck-am-i-seeing-here-optical-illusion/662210/4 "2013-06-29T16:42:46Z")

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Oh no, another [grid ball](http://boards.straightdope.com/sdmb/showthread.php?t=678744)!

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