Monday, June 2, 2025

Square nines

 
Cover with square diamonds
9x9 square diamond with 23 teeth

This 9 x 9 square diamond manhole cover is seen in the street beneath our feet.  The rim features 23 normal sized "teeth" and a wide "tooth" in the upper left.
 
 

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1 comment:

  1. AnonymousTuesday, June 3, 2025 at 5:39:00 PM EDT

    I wonder if the "missing tooth" was done on purpose? and if so, why?

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