3C

Learn three-cushion · Return (reverse) shot · Mirror (pure reflection)

Return shot: diamond 1.5 back to 4.5

Difficulty ●●●○○ · Member · 01/10/2026

Trả băng: nút 1.5 trả về nút 4.512345671.54.5
Cue ball hits the object ball then uses reverse english to come back on the same side.Diagram: 3C engine, geometry verified

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System formula

Điểm băng = giao của đường từ bi tới ảnh gương của đích qua băng đó.

Angle in = angle out, no english. Used to understand basic geometry and as the baseline for corrected systems.