| Poly cube block | 
| Sep. 13/2009 I saw the book on Mr.Oguro and I made Poly cube block. | 
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| 1.Marking a square with  0.5mm plus thickness of the material. | 2.The material is a Japanese oak 19mm.12 piece.This is composed of 48 square. | |
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| 3.The material is a Japanese oak 19mm.16 piece.This is composed of 64 square. | 4.The material is a cherry 17mm.10 piece.This is composed of 49 square and very difficult. | |
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| 5.The box to use for a present. | 6.The settle is easy. | |