Discover the Captivating Interlocking Geometric Designs Created with This Traditional Japanese Woodworking Method

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The art form, known as kumiko, is now practiced by designers from around the world

Roger Catlin – Museums Correspondent

April 24, 2025 11:00 a.m.

Originating in Japan during the Asuka period (538 to 710 C.E.), the elaborate woodworking technique known as kumiko has garnered appreciation and practice across the globe. Initially utilized for screens and inlaid panels in fine furniture, kumiko—characterized by its delicate strips cut to interlock in repeating geometric patterns—has now developed into a cherished form of artistic expression on its own.

This month, kumiko craftsmanship will be showcased at the 43rd annual Smithsonian Craft Show in Washington, D.C., taking place from April 24 to 27. The selection of featured works is made by a three-member panel, emphasizing originality, artistic vision, and the overall quality of the pieces rather than adhering to specific discipline quotas. The event will exhibit the talents of 120 American artists across various mediums, including ceramics, wood, metal, and more.

In a cozy workshop adjacent to his home in D.C., contemporary kumiko craftsman David Gootnick prepares to create his next piece with a sizable plank of Alaskan cedar. “This wood is fantastic,” he remarks, inspecting the board before meticulously slicing it into thin shards that measure less than two millimeters in thickness. “This will last me a long time.”

Gootnick employs both simple and advanced tools, from a traditional Japanese knife to a sophisticated table saw. “The process is straightforward,” he explains. “First, you mill the wood to the right thickness, then cut it into strips.” Ensuring even thickness and space between the pieces is crucial for the aesthetic harmony of the intricate designs he creates.

A veteran woodworker with decades of experience, Gootnick filled his home with sturdy creations early in his career. His journey into kumiko began a decade ago when he encountered the technique through Japanese architecture. He expanded his knowledge through various online resources, particularly learning from Australian craftsman Des King, who provided insights through his writings and videos.

Gootnick first experimented with kumiko by crafting decorative panels but eventually transitioned to designing self-contained wall art. He preserved traditional motifs—such as hexagons and triangles—while infusing his contemporary flair, often contrasting colors using darker woods like redheart or Osage.

In addition to traditional designs, Gootnick includes unique variations featuring rosettes and lanterns that draw inspiration from mission furniture. Whereas traditional kumiko required meticulous assembly of hundreds or thousands of pieces without nails, screws, or glue, Gootnick opts to apply a small dot of glue to enhance durability. “For a shorter lifespan, you may not need glue, but for longevity, it’s a wise choice,” he remarks.

Another kumiko artist featured at this year’s Craft Show is Michael Jury from Springfield, Virginia. Known for creating Shaker and Danish-inspired furniture, Jury incorporates traditional kumiko patterns into his cabinetry and tables. He assembles basswood pieces into a classic design called asa-no-ha, resembling a hemp leaf.

He has also integrated kumiko panels into sideboard sliding doors, using a striking black momigami paper backdrop. “This piece has been particularly rewarding to create,” Jury notes in a video shared on his website, discussing its accolades in several exhibitions.

As he continues to hone his skills, Gootnick has observed significant improvement in his technique. “Two years ago, a piece like this took me a month to complete,” he shares, gesturing to one of his works characterized by intricate, intertwined designs. “Now, I can finish it in about two weeks, and I believe each piece is cleaner, getting closer to perfection.”

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