Walnut DIY Knife Block Plans

Knife Block Plans

Storing kitchen knives is a perpetual problem. Some people buy them one by one, and when not in use, the knives jangle around inside a drawer, getting dull and nicked. Other people store an enormous set of nine or ten kitchen knives, six steak knives, scissors, and a sharpening steel in a huge, angled knife block on the countertop. The angled block takes up valuable countertop real-estate, even though only six or seven knives are regularly used. I am sure you know people like this (maybe you’re even one of them!). My upright design takes up less countertop space and shows off the natural beauty of dark walnut wood.The design is really simple: four vertical boards separated by ten strategically placed dividers. The dividers are shorter than the verticals, so there is room to facilitate evaporation in case a knife is inserted wet after washing. It would be easy to make three or four of these in an afternoon, reserving an additional afternoon for finishing.


My design divides the block up to store seven knives; the big knife slots are about 1-78” wide, which are perfect for chef’s knives, and the smaller slots are 1-18” wide for paring and peeling knives. You can customize it easily for your recipient. I also think the knife block would look great in contrasting wood. Dark walnut and creamy colored maple always makes a great combination. Have fun! Your mother-in-law is going to love you!

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I rip 14” wide blanks for the knife block dividers, using a sacrificial push block for the safest operation. I make as many of these strips as I’ll need for dividers.


I use the double push block method to rip 14” x 14” square lengths. The divider blank is as wide as my push block, so I use a second push block to hold the stock tight against the fence. I only count on one divider per blank, as it is very difficult to control a thinner blank that is completely hidden by the push block.


I am always reluctant to use a miter saw or table saw to cut small parts. Instead, I use a Japanese saw to chop the dividers to length. This razor-sharp saw cuts these in no time flat.


After ripping the verticals to width, I crosscut all four of the large pieces at once. This way, they are all guaranteed to be the same length. You can use a stop block, but I just align them all and chop to length. Make sure your chop saw can handle this much height; of course, you can use a miter sled on the table saw, too.



I like to lay out all of my parts of the three sub-assemblies to make sure they fit correctly before I commit with glue. The dividers are 12” shorter than the verticals, so be sure to align them to one end. Although the glue-up is simple, there are 14 pieces, so it never hurts to double-check.

clamp-with-tape diy knife block

After I have laid all of the dividers out, I glue up three sub-assemblies of dividers and verticals. I use copious amounts of glue and “clamp” the dividers down with masking tape. Make sure there is a lot of squeeze out on each sub-assembly. I apply masking tape on the end of the verticals to mark my parts with permanent marker; pencil is hard to see on walnut, and permanent marker seeps into end grain and is difficult to sand off.


Once the glue has set for an hour or so, it is time to fix the sub-assemblies together. I apply a bead of glue across the tops of the dividers and continue with each sub-assembly until all are stacked up.


A concrete block is the most rudimentary clamp! If I were using clamps, it would be really difficult to keep the faces aligned because when the clamps are tightened down, the parts slide. Not so with a concrete block, which relies on good old-fashioned gravity. I leave this undisturbed for a couple of hours and let the weight of the block work its magic.

clean-up-the-sides diy knife block


I plane any unevenness off the edges with a finely tuned hand plane after the glue has set. I also chamfer all of the edges while I have the hand plane out. Of course, if you are uncomfortable with a plane, you can use sandpaper instead.

sand-the-interior diy knife block

I wrap a piece of sandpaper around a thin, broad stick and use that to clean the knife slots. I flip the block over and round the edges on the bottom as well.


I use a wiping cloth to apply three coats of oil-based polyurethane to the block. Two pieces of scrap hold the block off my work surface, so I can apply finish to every side of the block at once. I squeeze the cloth and gently wedge it into the knife slots to finish the insides as well. Sand with 320-grit paper between applications. If you can, wait a day or two for the finish to dry before wrapping the knife block and putting it under the tree.

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17 Responses to “Walnut DIY Knife Block Plans”

  1. Gerardo Arcega,

    I need proyetc please costs.

  2. Arne Kotlen

    I make a series of boards 2” tall and glue them to a 1/4” base and put it in a drawer. One I did has 12 slots and can accommodate 1 carving knife in a slot and 2 small knives in a slot.

  3. Scott

    I made a knife block but instead of making all the little spacer sticks a gluing them in I cut slots of n the individual boards on a router table and the just glued the boards together. A lot less parts to glue that way.

  4. Allgaier-Allerlei

    very great instructions for building a knife block. i love this and its so easy to recreate. also easy with other types of wood Greetings from germany

  5. allah

    It cracked.

  6. Ember Harris

    Thank you for such a detailed instruction with photos.

  7. Steve Bakotich

    Thanks. Very helpful

  8. Ralph Schauber

    Walnut is a very expensive wood ! Try Aspen / Red Oak Alternating with Aspen on the end. A very colorful and sturdy knife block. RAS

  9. Jonh

    Just love the carpenterig work

  10. Jackie

    Hi, Stumbled across this only now, but still wanted to comment. Thank you for showing this simple, attractive, and versatile project, far easier to achieve at home than other versions involving routing; I can get boards, & strips for the dividers, at a local DIY store & build a perfectly personalized knife block. The photographs do a great job explaining the process. The only drawback to a straight-up knife block is when it has to sit on a counter underneath a wall cabinet: pulling out a looong knife can be a problem when clearance is limited. That's why we have angled knife blocks, 2 of them - we use a wide range of knives in our weekly cooking! - but they do take up a lot of space. We might adapt your beautifully spare design (I do agree, yours looks much neater than a massive angled block...). Most difficult part: deciding to use one type of wood or two? :-)