[lhl]

In physics, quantum leap is used specifically to describe discontinuous state changes, which is why I like the term - IMO 3x3 vs 6x6 are almost completely different mediums experientially (that'd be its own conversation), but your comment did lead me down a bit of a pleasant linguistic-curiosity rabbit hole as I double checked, since I can see why "quanta" might imply something small, but colloquially quantum leap does not.

quantum leap [n]: an abrupt change, sudden increase, or dramatic advance https://www.merriam-webster.com/dictionary/quantum%20leap

Apparently the term "quantum leap" gained popular use in the 1930s and over time (starting in the 50s) acquired connotations of being very big: https://www.vocabulary.com/articles/wc/how-did-quantum-come-...