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

Free

Shot types

Shot type

Common names used by Vietnamese players

All Short-angle (natural) 17 Long-angle 11 Four-cushion (around the table) 0 Short three-rail (ticky) 3 Sang Lee reverse 0 Long bank (five-and-a-half) 14 Short bank 0 Return (reverse) shot 15 Kiss-back (double the ball) 0 Gather (position) shot 0 Stop/stun shot 0 Draw shot 0

Corner-five (diamond) system Mirror (pure reflection)

Library

Choose the path so that after scoring, the three balls gather in one corner for a long run.

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New lessons are generated nightly by the geometry engine.