How to Make Split Wood Columns for Furniture
Decorative wood turnings have been a part of traditional furniture design for centuries. From turned table legs and chair spindles to bun feet and knobs, these details add shape and character to woodworking projects.
But not every turning needs to serve a structural purpose.
Split wood columns, also called sectioned columns, are decorative turnings applied to the front or corners of cabinets, sideboards, and other case furniture. They add depth, create interesting shadow lines, and give a project a classic architectural appearance.
Depending on their size and shape, split columns can make a bold statement or provide a subtle detail that complements the overall design.
And while they may look complicated, making them is surprisingly straightforward. With a wood lathe and a simple paper-joint technique, you can create matching half columns without having to saw a finished turning in two.
What Are Split Wood Columns?
A split column is a decorative turning that's divided lengthwise so only a portion of the original round column is used.
Rather than incorporating the entire turning into a project, you attach a half or quarter section to the furniture case.
The result resembles the classical columns found on traditional architecture.
This design detail works particularly well on sideboards, cabinets, chests, and other traditional furniture.
For example, the half columns on this Cherry Sideboard add depth and visual interest to the front of an otherwise straightforward case.
The columns help define the edges of the cabinet and provide a strong vertical element that ties the design together.
Half Columns vs. Quarter Columns: What's the Difference?
The two most common types of split turnings are half columns and quarter columns.
Both start as round turnings, but they're incorporated into furniture in different ways.
Quarter Columns for Cabinet Corners
Quarter columns have been used on traditional case furniture since the 18th century.
As the name suggests, a quarter column is one-fourth of a round turning.
These columns are typically installed in recessed pockets at the two front corners of a cabinet.
Because they're visible from both the front and side, quarter columns create a smooth visual transition around the corners of the case.
The effect is similar to adding a chamfer, but with a more pronounced decorative profile.
Quarter columns are usually relatively small and simple in design.
A typical column includes a long rounded center section framed by beads or other small turned details.
Short square posts at the top and bottom connect the column visually to the surrounding cabinet structure.
These posts are generally no more than 1" square and can be turned as part of the column or added separately.
For additional detail, the rounded center section can be fluted or reeded.
[IMAGE 3: 5363065_snip_1548840171819_new.png — Drawing showing a quarter column installed in a recessed cabinet corner.]
Half Columns for Furniture Fronts
Half columns are made by dividing a round turning into two equal sections.
Unlike quarter columns, which are recessed into cabinet corners, half columns are generally applied to the front of a furniture case.
They're often positioned along the outer edges of a cabinet or sideboard.
Because they project from the surface, half columns add depth and create a stronger visual statement.
They also tend to look best when made on a larger scale.
The half columns on the Cherry Sideboard, for example, begin as 4-1/2"-square blanks.
Like quarter columns, half columns often feature square posts at the top and bottom with a turned center section between them.
The turning can be kept simple or enhanced with flutes, reeds, and other decorative details.
Fitting Half Columns Into a Cabinet
A large half column requires a fairly wide facing along the front edges of the cabinet.
The columns can be installed flush with the case sides or recessed slightly for a different appearance.
On the Cherry Sideboard, the columns are inset slightly from the sides.
The upper square posts also serve a structural purpose. They support the drawer frame and allow the drawers to extend beyond the main cabinet case.
This is a good example of how a decorative detail can also contribute to the furniture's construction.
How to Make Split Columns on a Wood Lathe
There are two basic ways to make split wood columns.
The traditional approach is to turn a complete round column and then cut it lengthwise into sections.
However, sawing through a finished turning can be difficult, particularly when the column includes beads, coves, or other decorative details.
A simpler approach is to use a paper joint.
This woodworking technique allows you to glue two pieces of wood together temporarily, turn them as a single blank, and then separate them along the glue joint.
The result is a pair of matching half columns with flat backs that are ready to be fitted to a furniture project.
Step-by-Step: Make a Half Column With a Paper Joint
Step 1: Prepare the Turning Blank
Start by preparing two accurately sized pieces of wood that will form the halves of the column.
The mating faces should be flat and fit together cleanly.
Apply glue and sandwich a piece of heavy paper between the two halves to create a temporary paper joint.
Clamp the assembly together and allow the glue to dry thoroughly.
The paper creates a controlled separation layer between the two pieces.
Once the glue has cured, the assembled blank can be shaped on the lathe.
Important: A paper joint is intentionally weaker than a permanent glue joint. Because the blank will be rotating on a lathe, the joint must be made and supported appropriately for the turning operation. Verify that the assembly is secure before turning and use a suitable, proven workholding method.
Step 2: Turn the Column Profile
With the blank properly secured on the lathe, turn the desired column profile.
A traditional split column often consists of a long, rounded center section with beads or other decorative details near the ends.
You can keep the profile simple for a subtle effect or incorporate additional details to complement the furniture design.
If the column includes square posts at the top and bottom, leave those sections unturned.
Because both halves are shaped at the same time, the finished profiles will match.
This is one of the biggest advantages of the paper-joint method.
Step 3: Separate the Two Halves
After completing the turning, remove the blank from the lathe.
The next step is to separate the two halves along the paper joint.
Carefully work a chisel into the joint to begin splitting the sections apart.
The paper layer allows the joint to separate more easily than a conventional wood-to-wood glue joint.
Work gradually along the joint to avoid damaging the turned surfaces.
Once separated, you'll have two matching half columns.
Step 4: Clean Up the Flat Surfaces
After separating the halves, some glue and paper may remain on the flat back surfaces.
Remove the residue with a scraper or sandpaper.
Work carefully to leave the backs flat and smooth.
The cleaned surfaces allow the columns to fit neatly against the furniture case.
At this point, the half columns are ready for final fitting and installation.
Design Tips for Decorative Furniture Columns
Split columns offer plenty of opportunities to customize the appearance of traditional furniture.
Match the Scale to the Project
Small quarter columns work well as understated details on cabinet corners.
Larger half columns are better suited to furniture where you want the turnings to become a prominent design element.
Keep the Turning Profile Consistent
Simple, repeating details such as beads and rounded sections create a classic appearance.
The profile should complement the furniture rather than compete with other decorative elements.
Consider Flutes and Reeds
Fluting and reeding can add texture to the long center section of a column.
These details create additional shadow lines and emphasize the vertical appearance of the turning.
Plan the Installation Early
Quarter columns require recessed pockets at the cabinet corners, while half columns need adequate space along the front of the case.
These details are easier to incorporate during the design stage than after the cabinet has been assembled.
Add Traditional Detail With Split Wood Columns
Split columns are a classic furniture detail that can dramatically change the appearance of a woodworking project.
Quarter columns soften cabinet corners and add subtle architectural interest. Half columns create a bolder effect by adding depth and definition to the front of a furniture case.
And by using a simple paper joint, you can make matching half columns without the difficulty of sawing through a completed turning.
Whether you're building a traditional sideboard, cabinet, or chest, decorative split columns are a woodworking technique worth considering.
Build a Traditional Cherry Sideboard
Put decorative split columns to work on a classic furniture project. This Cherry Sideboard features bold half columns that add depth and architectural detail to the cabinet front.
FEATURED PROJECT ➜ Get the Cherry Sideboard Plans
