組子 Kumiko is a Japanese craftsmanship technique known from around the 7th century of the Asuka era, consisting in arranging geometric patterns from individual wooden slats without nails. When Buddhism reached Japan 1500 years ago, religious architecture was created mainly with the participation of craftsmen from China and Korea. The original form of the Kumiko technique already existed then, but in Japanese it has developed over the years into the form by which Kumiko is understood today. Traditionally, Kumiko has been used to create architectural elements such as balustrades or sliding doors. There are over 200 different different patterns used in it, each with a name related to nature as they are based on simplified motifs from nature’s elements.