3C

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

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

Library

Newest first

Trả băng: nút 1.5 trả về nút 512345671.55
Return (reverse) shotFree

Return shot: diamond 1.5 back to 5

Difficulty ●●●○○

Ba băng con ở góc: nút 4.5 → 1.512345674.51.5
Short three-rail (ticky)Member

Short three-rail in the corner: diamond 4.5 → 1.5

Difficulty ●●○○○

Cúp băng: từ nút 1.5 về nút 512345671.55
Short-angle (natural)Member

Natural three-rail: from diamond 1.5 to 5

Difficulty ●○○○○

Hệ 50: 60 − 30 = 301234567603030
Long bank (five-and-a-half)Member

Corner-five: cue 60, aim 30, arrive 30

Difficulty ●●○○○

Trả băng: nút 1.5 trả về nút 4.512345671.54.5
Return (reverse) shotMember

Return shot: diamond 1.5 back to 4.5

Difficulty ●●●○○

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 1.5 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 ●●○○○

Cúp băng: từ nút 1.5 về nút 4.512345671.54.5
Short-angle (natural)Member

Natural three-rail: from diamond 1.5 to 4.5

Difficulty ●○○○○

Hệ 50: 60 − 25 = 351234567602535
Long bank (five-and-a-half)Member

Corner-five: cue 60, aim 25, arrive 35

Difficulty ●●○○○

Trả băng: nút 1.5 trả về nút 412345671.54
Return (reverse) shotMember

Return shot: diamond 1.5 back to 4

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 băng: từ nút 1.5 về nút 412345671.54
Short-angle (natural)Member

Natural three-rail: from diamond 1.5 to 4

Difficulty ●○○○○

Hệ 50: 60 − 20 = 401234567602040
Long bank (five-and-a-half)Member

Corner-five: cue 60, aim 20, arrive 40

Difficulty ●●○○○

Trả băng: nút 1.5 trả về nút 3.512345671.53.5
Return (reverse) shotMember

Return shot: diamond 1.5 back to 3.5

Difficulty ●●●○○

Cúp dài: từ nút 1.5 tới nút 3.5 đầu bàn kia12345671.53.5
Long-angleMember

Long-angle: from diamond 1.5 to 3.5 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1.5 về nút 3.512345671.53.5
Short-angle (natural)Free

Natural three-rail: from diamond 1.5 to 3.5

Difficulty ●○○○○

Hệ 50: 60 − 15 = 451234567601545
Long bank (five-and-a-half)Member

Corner-five: cue 60, aim 15, arrive 45

Difficulty ●●●○○

Trả băng: nút 1.5 trả về nút 312345671.53
Return (reverse) shotMember

Return shot: diamond 1.5 back to 3

Difficulty ●●●○○

Cúp dài: từ nút 1.5 tới nút 3 đầu bàn kia12345671.53
Long-angleMember

Long-angle: from diamond 1.5 to 3 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1.5 về nút 312345671.53
Short-angle (natural)Free

Natural three-rail: from diamond 1.5 to 3

Difficulty ●○○○○

Hệ 50: 60 − 10 = 501234567601050
Long bank (five-and-a-half)Free

Corner-five: cue 60, aim 10, arrive 50

Difficulty ●●●○○

Trả băng: nút 1.5 trả về nút 2.512345671.52.5
Return (reverse) shotMember

Return shot: diamond 1.5 back to 2.5

Difficulty ●●●○○

Cúp dài: từ nút 1.5 tới nút 2.5 đầu bàn kia12345671.52.5
Long-angleMember

Long-angle: from diamond 1.5 to 2.5 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1.5 về nút 2.512345671.52.5
Short-angle (natural)Free

Natural three-rail: from diamond 1.5 to 2.5

Difficulty ●○○○○

Ba băng con ở góc: nút 4 → 1123456741
Short three-rail (ticky)Member

Short three-rail in the corner: diamond 4 → 1

Difficulty ●●○○○

Cúp băng: từ nút 1 về nút 7123456717
Short-angle (natural)Free

Natural three-rail: from diamond 1 to 7

Difficulty ●○○○○

Cúp băng: từ nút 1 về nút 6.5123456716.5
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 6.5

Difficulty ●○○○○

Trả băng: nút 1 trả về nút 6123456716
Return (reverse) shotFree

Return shot: diamond 1 back to 6

Difficulty ●●●○○

Cúp băng: từ nút 1 về nút 6123456716
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 6

Difficulty ●○○○○

Hệ 50: 50 − 50 = 0123456750500
Long bank (five-and-a-half)Member

Corner-five: cue 50, aim 50, arrive 0

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 5.5123456715.5
Return (reverse) shotFree

Return shot: diamond 1 back to 5.5

Difficulty ●●●○○

Cúp băng: từ nút 1 về nút 5.5123456715.5
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 5.5

Difficulty ●○○○○

Hệ 50: 50 − 45 = 5123456750455
Long bank (five-and-a-half)Member

Corner-five: cue 50, aim 45, arrive 5

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 5123456715
Return (reverse) shotFree

Return shot: diamond 1 back to 5

Difficulty ●●●○○

Cúp băng: từ nút 1 về nút 5123456715
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 5

Difficulty ●○○○○

Hệ 50: 50 − 40 = 101234567504010
Long bank (five-and-a-half)Member

Corner-five: cue 50, aim 40, arrive 10

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 4.5123456714.5
Return (reverse) shotMember

Return shot: diamond 1 back to 4.5

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 băng: từ nút 1 về nút 4.5123456714.5
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 4.5

Difficulty ●○○○○

Hệ 50: 50 − 35 = 151234567503515
Long bank (five-and-a-half)Member

Corner-five: cue 50, aim 35, arrive 15

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 4123456714
Return (reverse) shotMember

Return shot: diamond 1 back to 4

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 băng: từ nút 1 về nút 4123456714
Short-angle (natural)Member

Natural three-rail: from diamond 1 to 4

Difficulty ●○○○○

Hệ 50: 50 − 30 = 201234567503020
Long bank (five-and-a-half)Member

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

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 3.5123456713.5
Return (reverse) shotMember

Return shot: diamond 1 back to 3.5

Difficulty ●●●○○

Cúp dài: từ nút 1 tới nút 3.5 đầu bàn kia123456713.5
Long-angleMember

Long-angle: from diamond 1 to 3.5 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1 về nút 3.5123456713.5
Short-angle (natural)Free

Natural three-rail: from diamond 1 to 3.5

Difficulty ●○○○○

Hệ 50: 50 − 25 = 251234567502525
Long bank (five-and-a-half)Member

Corner-five: cue 50, aim 25, arrive 25

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 3123456713
Return (reverse) shotMember

Return shot: diamond 1 back to 3

Difficulty ●●●○○

Cúp dài: từ nút 1 tới nút 3 đầu bàn kia123456713
Long-angleMember

Long-angle: from diamond 1 to 3 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1 về nút 3123456713
Short-angle (natural)Free

Natural three-rail: from diamond 1 to 3

Difficulty ●○○○○

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

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

Difficulty ●●○○○

Trả băng: nút 1 trả về nút 2.5123456712.5
Return (reverse) shotMember

Return shot: diamond 1 back to 2.5

Difficulty ●●●○○

Cúp dài: từ nút 1 tới nút 2.5 đầu bàn kia123456712.5
Long-angleMember

Long-angle: from diamond 1 to 2.5 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1 về nút 2.5123456712.5
Short-angle (natural)Free

Natural three-rail: from diamond 1 to 2.5

Difficulty ●○○○○

Hệ 50: 50 − 15 = 351234567501535
Long bank (five-and-a-half)Free

Corner-five: cue 50, aim 15, arrive 35

Difficulty ●●●○○

Trả băng: nút 1 trả về nút 2123456712
Return (reverse) shotMember

Return shot: diamond 1 back to 2

Difficulty ●●●○○

Cúp dài: từ nút 1 tới nút 2 đầu bàn kia123456712
Long-angleMember

Long-angle: from diamond 1 to 2 at the far end

Difficulty ●●○○○

Cúp băng: từ nút 1 về nút 2123456712
Short-angle (natural)Free

Natural three-rail: from diamond 1 to 2

Difficulty ●○○○○

Hệ 50: 50 − 10 = 401234567501040
Long bank (five-and-a-half)Free

Corner-five: cue 50, aim 10, arrive 40

Difficulty ●●●○○