A3 Posters
When you need your message to stand out, A3 posters give you the space to do it well. A3 posters suit high traffic environments where a smaller format simply gets lost. The extra space lets your design breathe, your imagery work harder, and your key message lands without feeling crowded.
- Size: 297 x 420mm (A3 Landscape), 420 x 297mm (A3 Portrait)
- Print: Full colour CMYK
- Sides: Single or double sided
- Paper stocks: 115gsm, 150gsm, 170gsm gloss art or silk
- Finish options: Gloss laminate, matte laminate, uncoated
- Large format gives more room for images, detail and calls to action
- Suits high traffic display locations such as windows, boards and counters
- Ideal for event promotion, retail displays, trade shows and notices
- Full colour printing with sharp, consistent results
- Choice of paper weights and finishes to suit your brand
Let’s Work Together.
Backed by nearly 50 years of industry experience, we’re ready to support your business with strategic solutions designed to make an impact.
Perth Based Since 1976.
For nearly 50 years, AAA Print Group has partnered with businesses across Australia to deliver reliable, high quality printing solutions. We’re proud to be a family run business built on trust, service, and a genuine passion for helping our clients succeed.
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Through Print.
From enhancing safety to achieving marketing goals and streamlining workflows, our past projects showcase the transformative power of print. See how we’ve partnered with a diverse range of businesses to deliver results that matter.
Frequently Asked Questions.
What is the size of an A3 poster?
An A3 poster measures 297 x 420mm. This is double the size of an A4 sheet, giving you generous space for images, detail and messaging.
What paper stock do you recommend for A3 posters?
For display purposes such as window posters or noticeboards, we recommend 150gsm or 170gsm gloss art with a gloss or matte laminate. This gives the poster enough rigidity to hold its shape when displayed flat or pinned up.
Can I print on both sides?
Yes. Double sided A3 posters are a popular choice when you want to include more content, such as a promotional message on one side and a price list or schedule on the other.
Do you offer design help for A3 posters?
Yes. If you have an idea but no finished artwork, our team can help. Get in touch to discuss your requirements and we will provide a quote for design and print together.
Print Made Easy.
We’d love to hear about your project. Share your requirements with us and we’ll send you a tailored quote. Get in touch today to get started.



































































































