Diamond ring is a period 3 oscillator that was found in 1972 by David Buckingham. 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. A 24-glider synthesis of the original version was later found by Jeremy Tan on March 29, 2019 based on a soup submitted to Catagolue.
- ↑ Dean Hickerson's oscillator stamp collection.
- ↑ Jason Summers' jslife pattern collection.
- ↑ Jeremy Tan. Re: Synthesising Oscillators (discussion thread) at the ConwayLife.com forums
- 40P3.15 at Heinrich Koenig's Game of Life Object Catalogs