Hexagonal Box I
by Hideo Kumayama
(São Bernardo do Campo-SP-Brasil)
1. Folding one side of the square paper into 4 parts
2. Folding the other side into 7 parts
by Hideo Kumayama
(São Bernardo do Campo-SP-Brasil)
1. Folding one side of the square paper into 4 parts
2. Folding the other side into 7 parts