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Create your own photo collage picture frame at home with acid-free multi-window collage mat boards, cut in Sydney to suit popular standard frame sizes.
- Fits standard frame sizes: Match the mat board outside size to your frame size.
- Works with ready-made frames: Use with Profile Australia frames or another compatible standard-size frame.
- No mat cutting required: Simply place your photos behind the window openings and reassemble the frame.
- Mat board only: Photo frame, glass, backing board and photos are not included.
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Create a Photo Collage Picture Frame with a Ready-Made Frame
Our collage window mat boards are designed to help you create a frame with multiple photos using a standard-size ready-made frame. The outside size of the mat board must match the frame size, while the window openings are cut to suit the individual photo sizes shown on each product.
You can use these collage mat boards with selected Profile Australia frames, or with another standard-size ready-made frame from elsewhere, as long as the mat board outside size matches the frame size.
For example, an A2 collage mat board is designed to fit inside an A2 frame, while a 16x20in collage mat board is designed to fit inside a 16x20in frame. Place your photos behind the window openings, secure them carefully, then reassemble the frame with the glass and backing board.
This gives you a custom-style photo collage frame, but keeps the project more affordable because you are using standard frame sizes instead of ordering a fully custom-made collage frame.
Why Choose a Pre-Cut Collage Mat Board?
Cutting a multi-window mat board by hand is difficult. Each opening needs to be measured, spaced and cut accurately, otherwise the finished collage can look uneven.
Our collage mat boards are computer-cut for clean edges, consistent spacing and a professional finish. This means the most technical part of the job is already done for you.
- No mat cutting required: The window layout is already precision-cut and ready to use.
- Designed for standard frame sizes: Choose from popular sizes including A4, A3, A2, A1, 16x20in and more.
- Acid-free mat board: A safer choice for displaying photos, prints and keepsake images.
- DIY framing made easier: Pair with a matching ready-made frame to create your own photo collage picture frame at home.
How to Choose the Right Collage Mat Board Size
Start with the frame size, not just the photo size. The mat board outside size needs to match the frame it will sit inside.
- Frame size: This is the outside size of the mat board, such as A3, A2, 16x20in or 20x30in.
- Photo size: This is the size of each photo placed behind the window openings, such as 4x6in, 5x7in, 8x10in, Instax Mini or Polaroid.
- Number of windows: Choose a simple layout for a clean display, or a larger multi-photo layout for family stories, holidays and milestone moments.
As a general rule, choose your frame first, then select the collage mat board with the same outside size.
Perfect for Family Photos, Weddings and Memory Walls
Photo collage mat boards are ideal for bringing related photos together in one finished frame. They work well for family portraits, wedding photos, school photos, baby milestones, travel memories, pet photos, Instax prints and Polaroid photos.
A clean white or off-white mat board can also help different photos feel more consistent, even if they were taken at different times or in different lighting. It gives the finished collage a more organised look, without making the display feel too busy.
Pair with a Picture Frame to Complete the Look
You can use these collage mat boards with selected Profile Australia frames, or with another standard-size ready-made frame, as long as the mat board outside size matches the frame size.
To complete your project, browse our range of high-quality picture frames. Choose a simple black frame for a crisp modern look, or a natural oak timber frame for a warmer finish.
With the right frame and collage mat board combination, you can create a thoughtful photo display that looks custom-made, without the custom framing price.
Made in Australia
Made in Australia
Precision cut on our Swiss Computerised Matcutter
Proudly Australian Made
Professionally cut in Australia with care and precision for a clean, consistent finish you can rely on.
Custom Frame Quality
Made to the same presentation standards trusted in professional framing, with neat bevels and a polished finished look.
Acid-Free White Core
Acid-free, buffered matboards with a crisp white bevel edge help protect your photos, prints, and artwork while enhancing presentation.
100% Satisfaction Guaranteed
Shop with confidence. We stand behind the quality of our matboards and are here to help if you need support choosing the right option.
Proudly Australian Made
Professionally cut in Australia with care and precision for a clean, consistent finish you can rely on.
Custom Frame Quality
Made to the same presentation standards trusted in professional framing, with neat bevels and a polished finished look.
Acid-Free White Core
Acid-free, buffered matboards with a crisp white bevel edge help protect your photos, prints, and artwork while enhancing presentation.
100% Satisfaction Guaranteed
Shop with confidence. We stand behind the quality of our matboards and are here to help if you need support choosing the right option.
How Your Collage Mat Board Fits Inside a Picture Frame
A collage mat board sits inside the frame between the glass and your photos, creating clean window openings for each image. The backing board then holds everything flat and secure inside the frame.
To get the right fit, choose a collage mat board with the same outside size as your frame. For example, a 16x20in collage mat board is designed to fit inside a 16x20in frame.
This gives you a simple way to create a photo collage picture frame at home using a standard ready-made frame, without needing to cut the mat board yourself.
How it works: match the mat board outside size to your frame size, then place your photos behind the window openings before reassembling the frame.
Diagram shown for fitting guidance only. Frame, glass, backing board and photos are not included with these collage mat board products.
Protective Packaging
Each collage mat board is individually packed for protection from marking and moisture during handling and delivery. Smaller sizes may be supplied in protective cello bags, while larger sizes may be professionally shrink-wrapped.
Photo Collage Mat Board FAQs
A collage mat board is a mat board with multiple window openings, designed to display several photos or artworks in one picture frame.
Start with your frame size. The outside size of the collage mat board needs to match the frame size, while the window openings need to suit your individual photo sizes.
Yes. These collage mat boards can be used with a standard ready-made frame, as long as the mat board outside size matches the frame size. For example, a 16x20in collage mat board is designed to fit inside a 16x20in frame.
No. These products include the collage mat board only. The photo frame, glass, backing board and photos are not included.
No. Each collage mat board is already cut with multiple window openings, so you only need to position your photos behind the openings and place the mat board into your frame.
Yes. These collage mat boards are made from acid-free mat board, making them suitable for displaying photos, prints and keepsake images.
Family photos, wedding photos, travel photos, baby photos, school portraits, Instax prints and Polaroid photos all work well in a collage picture frame.
In most cases, yes. Using a standard ready-made frame with a pre-cut collage mat board is usually more affordable than ordering a fully custom-made collage frame from a picture framer.
Learn more about mat boards:
How to Attach a Picture to a Mat Board
What is a Mat Board?
