A Brilliant Mirror Hack: How to Create a Designer Grid Mirror for Less

Want to transform an empty wall without spending a fortune? This mirror hack turns simple square mirrors into a designer-style grid mirror that’s perfect for adding light and style to small spaces. It’s a budget-friendly DIY project that delivers big results!

Three black framed mirrors joined and hung together for a diy mirror hack grid mirror.

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When a DIY Mirror Comes in Handy

Our upstairs landing is like the forgotten middle child of the house.

Sometimes overlooked and undervalued.

As a middle child myself, I love to playfully lean into this stereotype with my older sister!

Because it is a pass-through space not seen by the public…it is easy to just ignore it as you walk upstairs to the bedrooms.

(I did paint the stair railing that heads upstairs so that does help!)

Black stair railing.

The upstairs hallway is narrow, dark, and I honestly forget about it sometimes.

(Playing an air violin for all of us who are middle children!)

Wanting to bring in some reflective light and personality into the hallway, I’ve shopped high and low for the perfect mirror. But let’s face it: a gorgeous designer mirror often comes with a not-so-gorgeous price tag.

Enter this amazing grid mirror hack that looks expensive but is so budget-friendly!

If you’re ready to turn a blank wall into a stunning focal point, follow this step-by-step tutorial to create a designer-inspired mirror for less!

Supplies You’ll Need:

stock rectangular dorm mirror with black frame for the base of the mirror hack.

Step-by-Step Mirror Hack Tutorial

Step 1: Measure and Cut the Molding

Lay one of your mirrors flat on a work surface. Measure the width of the mirror glass and mark this measurement on your wood molding with a pencil.

Using a miter box and hacksaw (or a circular saw for those who love power tools), carefully cut the molding into 6 equal pieces.

Measuring the width of a rectangular mirror.
Marking wood molding with a pencil.
Cutting wood molding with a hacksaw.

Each piece will serve as one of the horizontal pieces in your grid pattern.

Wood molding pieces that will create the grid of this mirror hack.

Step 2: Sand and Paint the Wood Molding

Using grit sandpaper or a palm sander, smooth the cut edges of the molding. This step ensures your paint goes on evenly and gives your DIY project a professional finish.

Head outdoors and spray paint the molding pieces with black semi-gloss spray paint. If your mirror is not black, now would be the time to spray paint the frame as well. And, of course, you can choose a color other than black is you want!

Let the paint dry completely. If you’re going for a more rustic or aged look, lightly distress the edges with sandpaper after painting. (I’m all about options here!)

Sanding the edges of cut wood molding piece with a palm sander.
Spray painting wood molding pieces with black spray paint.

Step 3: Creating the Mirror Grid

Measure the length of your mirror glass and divide it by three. Remember to factor in the width of your molding to ensure accurate spacing.

Apply a thin bead of strong adhesive to the back of one molding piece. Press it firmly against the mirror at your first measurement point, tucking the ends neatly within the mirror’s frame.

Repeat for the second and third molding pieces, ensuring your grid pattern is perfectly straight.

Pro tip: Don’t overdo the glue as it will seep out from under the molding if there is too much. We’re creating a designer mirror, not a sticky mess!

Measuring the length of the glass in a mirror.
Laying painted molding pieces onto a mirror to create a grid.

Repeat Steps 1-3 for the other two mirrors. Precision is key here; you want all three mirrors to have identical grid patterns.

Three mirrors with the completed mirror hack of glued horizontal wood molding pieces to create a grid.

Step 4: Hang the Mirrors

Attach Velcro Command strips to the top and bottom of each mirror.

Applying velcro Command strips to the back of a mirror.

Use a level to ensure the first mirror is straight before sticking it to your wall. I drew a plumb line for the top of the mirrors. This line was very helpful in hanging the mirrors level.

Add the second mirror by butting its side against the first, checking for level, and then repeating with the third mirror.

Hanging the first mirror for a grid mirror hack.
Hanging a second mirror for a grid mirror hack.
Hanging and leveling a third mirror for a grid mirror hack.

Voilà! Your blank wall now features a designer-worthy grid mirror!

A completed grid mirror hack hanging above a side table with photographs and plant.

How I Styled My Grid Mirror Hack Project

For this second-floor landing, I paired my new grid mirror with a small side table featuring storage drawers.

I added a few family photographs for a personal touch, along with a unique glass bust of a woman’s head that I’ve been dying to display.

A glass head bust, photographs, and plant styled in front of a grid mirror hack in a hallway.

For some evening magic, I tucked twinkle fairy lights inside the bust.

The lights are reflected in the grid mirror and she positively glows and adds magic to the top of the stairs!

Now, every time I walk up the stairs, the space brings me joy. The mirror reflects the natural light beautifully, and the landing no longer feels like an afterthought.

Fairy lights inside a glass head bust.

Where to Use This Grid Mirror Hack

This DIY Ikea mirror hack is versatile and perfect for so many areas of your home:

  • Above the mantel: A great addition to your living room.
  • Entryway: Create a welcoming vibe with light and space.
  • Coffee bar area: Reflect the glow of your morning brew.
  • Bedroom: A stunning accent for small spaces.
  • Gallery wall: Incorporate it as part of a mixed media display.
  • Empty wall: It’s the perfect solution for those “what-do-I-put-here” moments.

Why This DIY Project Works

This mirror hack isn’t just about aesthetics—it’s also about practicality. The reflective light makes small spaces feel bigger, and the grid pattern adds a touch of modern sophistication.

Plus, it’s a fraction of the cost of those high-end designer mirrors.

Whether you use Walmart mirrors, Ikea mirrors, or similar mirrors, the results are stunning!

A completed diy mirror hack with wood molding grid.

Transforming a space has never been so rewarding!

Dive into this fun and creative project, and before you know it, you’ll have a stunning grid mirror that adds charm, light, and style to your home.

You’ve got this—happy DIYing!

Cheers!

A Little About Me

Hi! I’m missy. So happy to meet you!

“Decorate with Joy! Live with Happiness”

I truly believe that your home should be a reflection of your personality, a space where you feel free to express yourself and create a sanctuary that feels uniquely yours.

I love creating mood boards, hunting down unique home décor treasures, tackling easy DIY projects, and gathering with family and friends. Homes are meant to be enjoyed, filled with laughter, and shared with the people you love!

– cheers –

Don’t Forget to Pin It!

Pin the image below to your boards on Pinterest (just click the Pin button in the top left corner). You can also follow along with me on Pinterest!

DIY grid mirror hack hanging above a console table in a hallway.

Mirrors and Home Decor You’ll Love

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