There is a quiet, meditative power in traditional knife making. No voiceovers, no fancy studio effects, and no modern tactical fluff. Just the raw sound of files on brass, the smell of fresh shavings, and the steady focus of the workshop. For this custom bushcraft project, I wanted to build a traditional Nordic Puukko knife—a tool deeply rooted in old-world utility, paired with a classic Puolituppi sheath.
For any knife nerd, the soul of a Puukko is its steel. For this build, I chose a legendary Finnish blade that embodies everything a proper woodsman’s knife should be.
The Heart of the Knife: Lauri PT 95 Blade
The foundation of this custom Puukko is a Lauri PT 95 carbon steel blade, manufactured in Kauhava, Finland. For bushcraft and woodcarving enthusiasts, Lauri blades are the gold standard for high-performance utility.
The “PT” stands for Progressively Tempered (differentially hardened). The blade features a highly sophisticated heat treatment: the edge is hardened to an incredible 62-63 HRC for unmatched edge retention, while the spine is left softer at around 50-53 HRC for superior toughness and shock absorption. This combination ensures that the zero-scandi grind stays razor-sharp during endless carving sessions without being brittle. The 95mm length is the absolute sweet spot for controlled woodcraft, skinning, and daily camp tasks.
The Anatomy of the Build
A true custom Puukko is a lesson in harmony between different natural elements. Every piece has to fit seamlessly to create a tool that is robust enough for a lifetime in the woods.
1. The Hilt: Brass, Antler, and Plum Wood
The hilt is a complex sandwich of textures and materials. I started by hand-filing a solid brass bolster to fit perfectly over the tang of the Lauri blade. Behind the brass sits a spacer made from a piece of shed deer antler, framed by thin, dark accent lines. For the main handle, I chose plum wood. Plum is an incredibly dense, hard fruitwood with a rich, striking grain that darkens beautifully over time. After shaping the handle and peening the tang tightly at the pommel, a coat of natural oil brings out the deep, vivid character of the wood.
2. The Traditional Puolituppi Sheath
The sheath for this knife is a true Nordic classic: a Puolituppi (half-wooden sheath). Unlike a hidden internal liner, this traditional design splits the sheath into two distinct parts:
- The Wooden Scabbard: I carved the lower half of the sheath from the exact same block of plum wood used for the handle. This scabbard is hollowed out precisely to cradle the Lauri carbon steel blade, protecting the user and keeping the edge safe from moisture.
- The Leather Collar: The upper half is made from vegetable-tanned leather, wet-molded directly around the plum wood base and the handle of the knife.
I hand-stitched the leather along the back seam using a traditional saddle stitch. The finished sheath creates a stunning visual transition where the dark leather meets the raw, polished plum wood at the bottom, showcasing the woodcarving even when the knife is sheathed.
Why the Nordic Puukko Endures in Bushcraft
The Nordic Puukko has been around for centuries, and it remains one of the greatest utility designs ever created. It completely rejects the modern, over-built “survival knife” trend of heavy full-tang crowbars. It is light, perfectly balanced, and the barrel-shaped plum wood handle offers an incredibly comfortable grip for long carving sessions without causing hot spots on your hands.
It is a dedicated woodworker’s tool, built to carve, skin, prep food, and keep the fire going. Building both the knife around a legendary Finnish Lauri blade and its complex half-wooden sheath from raw materials makes using it out in the forest feel even more grounded.
Watch the Process: If you want to experience the complete build without any distractions—just the pure visual craft, the steady rhythm of the workshop, and a proper soundtrack—check out my full creation video below.
Cheers!