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Stewart Coffin |
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Not yet crafted |
In one of his booklets, coffin describes a nice puzzle set made by expanding Pin-Hole
Puzzle concept.
It uses this five type of pieces:
called Pin, Bar, Elbow, Cross and Link.
The first step of disassembly is to remove the locking pin and then the
remaining pieces come out one by one.
All the more advanced probles a made up of two or more basic modules.
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Offset Pair
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This each requiers: 2 Pins, 1 Bar, 4 Crosses, 5 Elbows and 1 Link.
An alternate version of the Double requieres: 2 pins, 4 Crosses, 4
Elbows and 2 Links. |
Double
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Triple
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They each requiere: 3 Pins, 1 Bar, 6 Crosses, 7 Elbows and 2 Links.
The triple can be extended by modules ading for each one: 1 Pin, 2
Crosses, 2 Elbows and 1 Link.
The Right Angle has another version more difficult made up of: 3 Pins,
6 Crosses, 6 Elbows and 3 Links. |
Right Angle
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Square
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All this can be made with the same set, consisting of: 4 Pins, 1 Bar, 8
Crosses, 9 Elbows and 3 Links; and alternately (and more difficult) with 4
Pins, 8 Crosses, 8 Elbows and 4 Links. |
Twist
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Ell
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Corner
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Zig-Zag
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This seven-moduled requieres 7 Pins, 1 Bar, 12 Crosses, 17 Elbows and 6
Links. This one is a real challange.
Piece Summary
| Model |
Pins |
Bars |
Crosses |
Elbows |
Links |
| Basic |
1 |
1 |
2 |
3 |
- |
| Offset Pair |
2 |
1 |
4 |
5 |
1 |
| Double |
| 2 |
- |
4 |
4 |
2 |
| Triple |
3 |
1 |
6 |
7 |
2 |
| Right Angle |
| 3 |
- |
6 |
6 |
3 |
Square
Corner
Twist
Ell
ZigZag |
4 |
1 |
8 |
9 |
3 |
| 4 |
- |
8 |
8 |
4 |
| Grand Cross |
7 |
1 |
12 |
17 |
6 |
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