3C Academy · diamond systems
Learn three-cushion
A library of diamond-system lessons with machine-drawn, geometrically correct diagrams, produced daily. Browse by shot name: natural, around-the-table, short three-rail, Sang Lee…
Lessons
60
Free
21
Shot types
5
Shot type
Common names used by Vietnamese players
Library
Cue ball hits the rail first with reverse english, rebounds into the object ball then continues two more rails; named after Sang Lee.
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New lessons are generated nightly by the geometry engine.