Koa Craft, Volume I-A – a leather collection after Hawaiian koa and fine woodcraft

From the Practice Log – an ongoing series of stamping studies. This one is Volume I-A: Koa Craft, a small collection after Hawaiian koa and its woodcraft.

A September study.

Hawaiian koa is an acacia that grows only in Hawaiʻi, and its finest boards carry a curl that ripples like water under the finish. The tradition built around that wood sands and lacquers until the figure speaks for itself, and it trusts one pair of hands from board selection to final assembly. We spent this study translating that tradition into leather.

First, we let the grain run. Six long lines flow the length of the tag, part around the words like water around a stone, then gather into a passage of curl with one solid eye at its heart – the rare figure only a minority of boards ever carry. LET THE GRAIN RUN.

Black-and-white LET THE GRAIN RUN flowing-grain die artwork for Koa Craft, Volume I-A.

We pressed it lengthwise into three leathers – golden tan at one end, navy at the other, a deep espresso brown between. The navy plays the part of the one cool accent woodworkers like to set beside koa.

An Arizona golden-tan leather luggage tag blind-debossed with LET THE GRAIN RUN for Koa Craft, Volume I-A.

A dark-espresso leather luggage tag blind-debossed with LET THE GRAIN RUN for Koa Craft, Volume I-A.

A Blueberry navy leather luggage tag blind-debossed with LET THE GRAIN RUN for Koa Craft, Volume I-A.

Next, the curriculum. Ten years take an apprentice to journeyman, and ten more make a master – so we cut a log's end grain into the die: twenty growth rings around an off-center pith, the tenth ring drawn heavy for the journeyman year. TEN YEARS at the crown, THEN TEN MORE at the base.

Black-and-white TEN YEARS THEN TEN MORE growth-ring die artwork for Koa Craft, Volume I-A.

On the keychains it becomes the small gift that carries the whole idea – once in chestnut with visible character, once in classic warm tan.

A Sicilian Brown leather keychain blind-debossed with TEN YEARS THEN TEN MORE for Koa Craft, Volume I-A.

A Caramel leather keychain blind-debossed with TEN YEARS THEN TEN MORE for Koa Craft, Volume I-A.

And the same mark rides the lower corner of both bags of the toiletry stack, the way a workshop marks matched parts – honeyed russet above, deep espresso below.

Indian Summer and dark-espresso leather toiletry bags blind-debossed with TEN YEARS THEN TEN MORE for Koa Craft, Volume I-A.

Then, the corner. On a fine koa box the sides are cut so the grain wraps around the joint, and dark splines lock the miter. We drew that as a border – grain turning each corner past two dark splines – with THE GRAIN TURNS THE CORNER in the middle, centered on the tray where keys and a watch land at night.

Black-and-white THE GRAIN TURNS THE CORNER joinery die artwork for Koa Craft, Volume I-A.

Looks great when stamped onto the leather.

An Arizona leather catchall tray blind-debossed with THE GRAIN TURNS THE CORNER for Koa Craft, Volume I-A.

And finally, the one we liked the most. To bookmatch a board, a craftsperson saws it once and opens the halves like a book, and the figure meets itself in the mirror. On a journal cover the metaphor closes on itself: two matched panels of curl rising from a single seam, and beneath them, OPENED LIKE A BOOK.

Black-and-white mirrored-grain die artwork reading OPENED LIKE A BOOK for Koa Craft, Volume I-A.

It looks genuinely beautiful – once in honeyed russet, once in deep espresso where the blind press reads as a quiet shadow.

An Indian Summer leather journal blind-debossed with OPENED LIKE A BOOK for Koa Craft, Volume I-A.

A dark-espresso leather journal blind-debossed with OPENED LIKE A BOOK for Koa Craft, Volume I-A.


We made this out of love. Leatherius Woodman is on a mission to create and share artifacts of beauty, craft and love – this study is one of them, and we hope the feeling is mutual. Every image is a render – how we prototype before cutting a die.

If you'd like these made real, or anything here changed – say hello through our contact page.

P.S.

We kept the additional usable attempts from the two render rows that received a targeted retry.

An alternate usable rendering of two leather toiletry bags with the Twenty Rings design for Koa Craft, Volume I-A.

An alternate usable Arizona leather catchall-tray rendering with the Turned Corner design for Koa Craft, Volume I-A.