Customizing IKEA Furniture: A DIY Workbench Project

Posted on August 30, 2026, by Green Lightning

When the market fails to provide exactly what you need, the only logical conclusion is to build it yourself.

My goal was simple: I wanted a workspace that offered the rugged utility of a professional workbench but maintained the aesthetic of standard living room furniture.

The Research Phase

Finding a pre-made solution proved difficult. I evaluated several options, as detailed in the table below:

AI Insight: ChatGPT suggested the kitchen cabinet route, which almost worked for the budget and size, but the design lacked the "finished" look required for a living area.

The Solution: The Kallax Hack

I decided to base my build on the IKEA Kallax shelving system. I had a previous version of this setup—essentially just an untreated MDF board resting precariously on a Kallax—so I knew the geometry worked.

Fortunately, I had an old desk in my basement that hadn't sold on eBay. The desktop was in great condition and provided the perfect raw material for the work surface.

Why IKEA?

I've become a fan of IKEA's ecosystem for several reasons:

• Price Points: Excellent low-to-mid range options.
• Availability: Items are usually ready for immediate pickup.
• Digital Tools: Their website is highly functional, featuring precise dimension filters and Apple AR integration.
• Low Risk: Because the parts are so cheap, mistakes aren't catastrophic.

For example, a black $2\times2$ Kallax is only $40\text{ €}$ (and only $30\text{ €}$ in white). I even noticed a clever design detail: their felt pads are hexagonal.

$\text{Hexagons} \rightarrow \text{Perfect Tiling} \rightarrow \text{Reduced Material Waste}$

---

The Build Process

🛠️ Materials Checklist

• 2x IKEA Kallax $2\times2$ units
• IKEA drawer and door inserts
• Custom-cut MDF boards (Hardware store)
• Assorted screws (Hardware store)
• Decorative furniture foil (Amazon)
• $3\text{ mm}$ rubber mats (Amazon)
• Recycled desktop board

Step 1: Preparing the Surface

The original desk measured $160\text{ cm} \times 80\text{ cm}$. With my father's help, we cut $60\text{ cm}$ sections from each end. This left us with:

• Two pieces of $80\text{ cm} \times 60\text{ cm}$
• One scrap piece from the center

We tried using a mini circular saw first, but it failed miserably. We spent 30 minutes finishing the first cut with a Japanese hand saw. After my dad found a sharper blade for the power saw, the second cut took only minutes. Since the cut edges face the wall, they remain hidden.

Step 2: Precision Drilling

I performed several tests on my old unit first. Crucial Warning: IKEA panels are not solid wood. If you over-tighten a screw, it will likely break through the panel.

My workflow for the final build:

1. Applied decorative foil to the MDF edges.
2. Used paper templates to mark hole locations.
3. Drilled through two matching pieces simultaneously to ensure perfect alignment.
4. Pre-drilled and countersunk all holes.
5. Cut rubber sheets using the MDF as a guide.

Note: The rubber sheets are essential to dampen vibrations from my pen plotter and 3D printer.

Step 3: Assembly

I encountered a minor annoyance: I bought screws from the loose bins rather than boxed sets. Even though the screws looked identical, some required different driver bits.

The assembly was performed upside down in the following order:

Final Thoughts

The difference between a loose board and a screwed-together assembly is massive; the stability is now incredible.

There is one trade-off: the desktop is $60\text{ cm}$ deep, but the Kallax is only $39\text{ cm}$ deep. While this means some storage volume is "lost," I positioned the Kallax toward the front edge, allowing items in the shelves to overhang slightly at the rear.

I had some leftover MDF shelves from my old unit, but I've already ordered more matching boards from the hardware store to maximize the new storage.