Diamond ring

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Diamond ring
Diamond ring image
Pattern type Oscillator
Oscillator type Billiard table
Number of cells 40
Bounding box 13×13
Period 3
Mod 3
Heat 13.3
Volatility 0.38
Strict volatility 0.38
Discovered by David Buckingham
Year of discovery 1972

Diamond ring is a period 3 oscillator that was found in 1972 by David Buckingham.[1] Its generations have 40, 44, and 48 cells. In August 2004 Jason Summers found a 28-glider synthesis of a variation of this oscillator with an alternate stator.[2]


  1. Dean Hickerson's oscillator stamp collection.
  2. Jason Summers' jslife pattern collection.

External links

  • 40P3.15 at Heinrich Koenig's Game of Life Object Catalogs