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3C Academy

Diamond-system library

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…

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Lessons
68
Free
23
Shot types
5

Filters

AllShort-angle (natural) 20Long-angle 11Short three-rail (ticky) 3Long bank (five-and-a-half) 17Return (reverse) shot 17
Diamond systemsCorner-five (diamond) systemMirror (pure reflection)
DifficultyAny difficulty●○○○○●●○○○●●●○○●●●●○●●●●●ForAllFreeMember
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6 lessonsClear

Library

Ba băng con ở góc: nút 4.5 → 112345674.51
Short three-rail (ticky)Free

Short three-rail in the corner: diamond 4.5 → 1

Difficulty ●●○○○

Cúp dài: từ nút 1 tới nút 4 đầu bàn kia123456714
Long-angleFree

Long-angle: from diamond 1 to 4 at the far end

Difficulty ●●○○○

Cúp dài: từ nút 1 tới nút 4.5 đầu bàn kia123456714.5
Long-angleFree

Long-angle: from diamond 1 to 4.5 at the far end

Difficulty ●●○○○

Cúp dài: từ nút 1.5 tới nút 4 đầu bàn kia12345671.54
Long-angleFree

Long-angle: from diamond 1.5 to 4 at the far end

Difficulty ●●○○○

Cúp dài: từ nút 1.5 tới nút 4.5 đầu bàn kia12345671.54.5
Long-angleFree

Long-angle: from diamond 1.5 to 4.5 at the far end

Difficulty ●●○○○

Hệ 50: 50 − 20 = 301234567502030
Long bank (five-and-a-half)Free

Corner-five: cue 50, aim 20, arrive 30

Difficulty ●●○○○