Building custom furniture can transform a space, and this asymmetrical shelf unit is a perfect example of how thoughtful design meets skilled craftsmanship. This guide will walk you through the entire process, from selecting materials to the final assembly.
The Two Most Important Rules of Woodworking
Before diving into the build, remember these fundamental principles. First, selecting the right grain pattern for your project is crucial. The grain can make or break your design, no matter how skilled your craftsmanship. Second, always start with properly milled, square lumber. If your materials aren’t square from the beginning, your finished project won’t be either.
For this contemporary shelf unit, riftsawn white oak was chosen for its tight, linear grain pattern. This creates a modern aesthetic and avoids the traditional cathedral grain often associated with country-style oak furniture.
Step 1: Material Preparation
Material prep is time-intensive but essential. Start by ripping all boards to their required widths. This includes both the shelf components and the leg material. Taking time during this phase ensures accuracy throughout the rest of the build.
Step 2: Cutting Legs to Length
To prevent the shelving unit from rocking and ensure everything comes out square, precision is key when cutting the legs.
Set up a stop block on your miter gauge. Square one end of each leg first, then flip down the stop and cut to the final length. This method dramatically increases accuracy and guarantees all legs are exactly the same length, which is critical for a stable, non-rocking piece.
Step 3: Cutting the Shelves To Length
After gluing up the shelf panels, you may find they’re too wide for standard shop equipment. A track saw works perfectly for this situation. Use a handheld square to ensure your track is properly aligned perpendicular to the material, then take your time making clean, square cuts.
Step 4: Creating the Joinery
The joinery differs depending on the leg placement.
Corner Legs: Bird’s Mouth Half Lap
For legs positioned at the corners of the shelving unit, a bird’s mouth half lap joint provides both strength and visual interest.
Create a template with the exact bird’s mouth shape you want to cut. Using a pattern bit on your router, make several passes to avoid tearout. Route toward the end grain of the piece to minimize tearout, never in the opposite direction.
Field Legs: Standard Half Lap
For legs positioned in the middle of a shelf (in the field), a standard half lap joint works well. Cut these on the table saw with proper safety precautions.
Attach a tall plywood backer to your miter gauge for safety. This prevents the tall shelf from tipping during the cut and protects both you and your workpiece.
Set up a stop block on your fence to act as a spacer, matching the thickness of the leg. This allows you to make accurate two-pass cuts: one pass with the stop block in place, then remove it for the second pass. Always do test cuts before working on your actual pieces.
Cutting the Legs
Use the same table saw setup to cut the half laps on the legs. Since the shelves and legs were milled to the same thickness at the same time, you can use identical settings. This saves time and increases accuracy.
For corner legs requiring the bird’s mouth joint, create a sled that acts as a saddle, holding the leg at a 45-degree angle while you make the cuts.
Step 5: Dry Fit and Clamping Strategy
Before any finishing work, perform a complete dry assembly. Though the design may seem straightforward, multiple parts need to come together simultaneously during glue-up. Without a solid clamping strategy and confirmation that everything fits properly, a simple project can quickly become a disaster.
Test your clamping method and make any necessary adjustments to ensure tight, accurate joints.
Step 6: Finishing with a Custom Cerused Stain
This project features a custom stain blend designed to complement other woodwork in the client’s home.
The Cerusing Process
Begin with a cerused finish. Paint the entire piece white, then rub off the excess—but here’s the key: wipe against the grain, not with it. This pushes the white paint into the pores of the wood grain.
After the paint dries, sand the surfaces to remove excess paint from the face of the wood while leaving the paint embedded in the grain pores. This creates the distinctive cerused appearance with white-filled grain lines.
Stain and Topcoat
Once the cerusing is complete, apply your custom stain color over the top. Finish with your preferred sheen—semi-gloss works beautifully for this style of furniture.
Step 7: Final Assembly
With the finish completely dry, it’s time for the final glue-up.
Use a slow-set epoxy to avoid rushing the assembly process. Since the pieces are prefinished, use a rubber mallet for assembly to avoid damaging the finish. Protect the wood from clamp marks by wrapping the clamp jaws with cloth or socks.
Take your time during assembly to ensure all joints seat properly and the piece remains square as the adhesive sets.
The Final Result
This asymmetrical shelf unit demonstrates how careful planning, precise joinery, and thoughtful finishing techniques come together to create custom furniture that perfectly suits its space. Whether you’re building a stand for an existing piece or creating an entirely new furniture system, these techniques will help ensure professional results.
Remember: good material selection and square lumber are your foundation. Everything else builds from there.
I’m the owner of Benham Design Concepts, a mixed media art studio where I design and build custom furniture and other works of art using wood, glass, stone, and various metals.
In this blog, I talk about the art I create, my journey, and the things I learn along the way.