How to choose the best resolution for photo printing

Photo printing is a process that requires the correct image settings to achieve a clear and high-quality result. One of the most important factors affecting image quality during printing is resolution. The resolution of a photo determines how sharp the details will be and how accurately colors will be reproduced on paper. In this article, we will discuss what the best printing resolution is, how to properly prepare a photo for printing, and why you should choose Four zeros print center.
What Is print resolution?
Print resolution refers to the number of dots or pixels placed within a specific area of a printed image. It is typically measured in DPI (dots per inch) or PPI (pixels per inch). The higher the resolution, the more dots or pixels are used to reproduce the image on paper, resulting in a sharper and more detailed image.
For example, the standard resolution for high-quality printing is 300 DPI. This means that 300 dots will be placed per inch of printed space, providing very high detail and color accuracy.
To determine the best print resolution, you need to consider the final size of the image and the viewing distance. For smaller formats viewed up close (e.g., 10x15 cm photographs), a resolution of 300 DPI is ideal. However, for larger posters that will be viewed from a greater distance, a resolution of 150 DPI or even lower may be sufficient.
Best print resolution for different formats
The print resolution of a photo depends on the size of the final image. To understand what the best resolution for printing 10x15 or other sizes is, it’s important to consider a few factors:
- Small formats (9x13, 10x15): For these formats, often used for family photos or personal projects, the best resolution is 300 DPI. This ensures sharp details and excellent image quality, even when viewed up close.
- Medium formats (20x30, 30x40): For these sizes, a resolution of 200–300 DPI can be used, depending on how far the viewers will be from the image. For promotional posters or signs that will be viewed from a distance, 200 DPI may be sufficient.
- Large formats (posters, banners): For very large images (such as posters or banners), a resolution of 100 to 150 DPI is optimal. This is because viewers will be looking at these images from a distance, so fine details won’t be as noticeable.
In conclusion, the answer to the question of the best print resolution depends on the size of the image you want to print and where it will be used. For home photos or high-quality images, 300 DPI is the best choice, while for large promotional materials, a lower resolution may suffice.
How to change the resolution of a photo before printing
It is often necessary to adjust the resolution of a photo before printing to ensure the appropriate image quality. Various image editing programs, such as Adobe Photoshop, GIMP, or even online tools, can be used for this.
Steps to change resolution:
- Open the image in an editing program: Open the photo you need to prepare for printing in a program that supports changing resolution.
- Determine the required resolution: If you're printing a 10x15 cm photo, the resolution should be 300 DPI. Set the appropriate parameters in the program.
- Increase or decrease the size of the photo: If the image has a low resolution, enlarging it may lead to a loss of quality. To prevent this, use special algorithms to preserve clarity (for example, "bicubic interpolation" in Photoshop).
- Save the file in the appropriate format: For printing, it’s best to save files in TIFF or PNG formats, as they retain the maximum amount of information without quality loss.
Changing the resolution is a critical step in preparing an image for printing. Keep in mind that the more you change the original size of the photo, the higher the chance of losing quality.
Why choose Four zeros print center for photo printing?
When it comes to professional printing, resolution becomes a key factor in achieving excellent image quality. Four zeros is a print center that specializes in high-quality photo printing and other materials. Our technologies ensure accurate color reproduction and detail, regardless of image size.
Advantages of printing with Four zeros:
- Professional equipment: We use modern printing machines capable of printing images with high resolution up to 300 DPI and beyond. This ensures your photos will appear sharp and vibrant.
- Personalized approach: We help our clients choose the optimal printing parameters based on their needs. If you’re unsure which print resolution is best for your project, our specialists are always ready to assist.
- Fast order fulfillment: Whether you need large batches printed or individual photos, we ensure prompt delivery of your order without compromising on quality.
At Four zeros, we make sure that every image you print looks its best on paper.
Conclusion
Choosing the correct resolution is a critical step in photos printing. The best print resolution depends on the size of the image and the distance from which it will be viewed. For small formats, such as 10x15 cm photos, a resolution of 300 DPI is ideal, whereas for larger formats, 150 DPI is sufficient.
If you want to ensure excellent print quality, turn to the professional print center Four Zeros. We will help you select the best settings and guarantee outstanding results, no matter your needs.
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Photo Printing
We offer professional photo printing in Warsaw, ensuring the highest quality prints, from standard formats to large format projects.
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Custom-shaped PVC signs: lightweight, durable, and designed to impress
In a world where first impressions matter, it’s not just what you say, it’s how you say it. That’s why custom-shaped PVC signs are gaining popularity not only in offices, exhibitions, and retail spaces but also in public areas, schools, hotels, and government buildings. They’re lightweight, long-lasting, resistant to environmental influences, and most importantly – they can be shaped exactly the way you want.
In this article, you’ll learn:
- What makes PVC signs stand out
- How you can customize them
- Where they’re most commonly used
- Why Four zeros is the right place to order them
What are PVC signs and why are they so popular?
Printed PVC signs are a smart way to stand out in public spaces and build a consistent brand image. PVC (polyvinyl chloride) is a lightweight, strong synthetic material widely used in advertising and visual communications. The foamed version is extremely light yet resistant to impact and outdoor conditions. It’s easy to cut, shape, bend, and print on.
Advantages of PVC as a signage material:
- Lightweight – perfect for mounting on walls, doors, or stands
- Weather-resistant – rain, sun, and wind are no problem
- Durable – doesn’t chip or fade over time
- Smooth surface – ideal for UV printing
- Easy to process – can be cut into custom shapes
That last point is a big reason why custom-shaped PVC signs are becoming a go-to option for brands that want to stand out.
What do we mean by “custom shape”?
Unlike traditional rectangles, PVC signs can take on virtually any shape. With precise CNC milling or laser cutting, we can produce:
- Signs in the shape of your logo
- Rounded-corner signage
- Cutouts mimicking objects (bottles, leaves, arrows, etc.)
- Dimensional letters and shaped text
- Decorative multi-layer PVC elements
They’re a great alternative to standard informational signs, suitable for everything from sleek interior design to dynamic retail environments.
Where are custom-shaped PVC signs used?
The possibilities are nearly endless — the only limit is your imagination. Here are some of the most common use cases:
- Offices and institutions – nameplates, room numbers, department signs
Shops and retail spaces – sale signage, new collections, price tags, or brand name signs - Exhibitions and galleries – minimalist exhibition design or decorative art elements.
- Hotels and guesthouses – room numbers, reception signs, modern “Do Not Disturb” signs
- Schools and kindergartens – colourful, playful signs that both engage and educate children.
- Urban environments – aesthetic and durable signage for bike routes, parks, and viewpoints featuring the city’s logo.
How do we make custom PVC signs at Four zeros?
At Four zeros, we focus on quality and detail. Every project is treated individually, whether you need five signs or five hundred.
Step 1: Design file
You can send us your design or let our team create it for you. We’ll help choose the right format, colors, material thickness, and mounting method.
Step 2: Shape selection
Thanks to CNC and laser cutting technologies, we can cut any shape, even highly complex or unconventional shapes.
Step 3: UV printing
We use direct UV printing on PVC. ensuring the graphics are resistant to abrasion, moisture, and sunlight.
Step 4: Finishing and mounting
We offer mounting holes, standoff fixings, double-sided tape, or magnetic systems, depending on the location and type of installation.
Why order PVC signs from Four zeros?
- Quality – we work with high-end equipment and trusted materials
- Speed – fast turnaround, even for custom projects
- Flexibility – every project is truly one-of-a-kind and we take that into account
- Creativity – we’ll help you find the best design approach
- Support – we’ll assist you with installation, use, and storage
Conclusion: a small sign, a big impact
Custom-shaped PVC signs combine lightness, strength, and visual appeal. They can be both subtle and vibrant, it all depends on your needs and creativity.One thing is certain: a well-designed PVC sign isn’t just informative, it enhances your brand and adds character to your space.
Get in touch with us today, we’ll bring your idea to life, in any shape you choose.
Four Zeros — light in weight, strong in impact.

Multilayer business cards – when paper alone creates a “wow" effect
In the age of digital tools, automation, and LinkedIn, paper business cards might seem outdated. But that’s just an illusion. The true power of print lies in its physical presence: the touch, the texture, the weight. Nothing leaves a lasting impression quite like an elegant, thick business card that stands out. Especially when it comes to printing 2- or 3-layer cards, which do more than share your contact details – they enhance your brand’s image and prestige
In this article, we’ll explore what multilayer business cards are, their key advantages, when they’re worth ordering, and why you can trust Four zeros print centre to bring them to life.
What are 2- and 3-layer business cards?
Multilayer business cards (also known as bonded or sandwich business cards) are printed products made up of two or three sheets of paper glued together. They’re typically much thicker than standard cards, with a weight ranging from 600 to even 1000 gsm.
What sets them apart isn’t just their weight, but their customisation potential:
- a coloured middle layer (also known as the “core” or “sandwich” layer),
- a mix of different paper types,
- premium finishes such as soft-touch lamination, spot UV coating, or foil stamping.
A multilayer business card is more than just a contact holder. It says: “I’m a professional. I care about the details. My brand is next-level.”
When to choose multilayer business cards
Not sure if 3-layer business cards are right for you? If making a strong first impression matters, then the answer is a definite yes.
Here are situations where a multilayer card is the perfect choice:
- High-level business meetings – Show that you’re playing in the premium league.
- Creative and luxury industries – architects, designers, jewelers, and high-end consultants.
- Trade shows and industry events – Stand out among hundreds of standard cards.
- Company launches or rebranding – Make your card a symbol of change.
- First contact with a VIP client – Show you care from the very first moment.
Remember: a business card isn’t an expense. It’s an investment in first impressions.
Advantages of multilayer business cards
Compared to standard cards, 2- and 3-layer options offer several unique advantages:
- Prestige – A clear (and tactile) difference in quality.
- Durability – Thicker material better withstands wear and tear.
- Design impact – A colourful core makes a lasting impression.
- Exclusivity – Few people invest in such premium products, putting you one step ahead.
- Print and finish flexibility – Matte or glossy films, foil stamping, spot UV, and 3D effects.
A small piece of paper that says a lot about who you are.
How a 3-layer business card is made: step by step
1. Paper selection
Each layer can have its own colour and texture. The most commonly used paper weights range from 250 to 350 gsm.
Popular options include:
- Coated white paper
- Eco kraft paper (brown)
- Dyed-through paper (black, red, navy blue)
2. Graphic layout
Prepared in CMYK colour mode, with proper safety margins. Decide whether you want single- or double-sided printing.
3. Printing and bonding
After printing, the layers are glued together under high pressure. Drying time for the adhesive is several hours. The process is more complex than for regular business cards.
4. Trimming and finishing
Once bonded, the cards are trimmed to size. This is when you can add extras like spot UV, foil stamping, or soft-touch lamination.
Note: Not every layout suits this type of card. We recommend consulting the Four zeros team to avoid production issues.
Design that works – inspiration
Want to know what really wows? Here are a few trends and ideas to consider:
- Minimalism + coloured core – White background, black font (e.g. Helvetica), neon pink middle layer.
- Black + gold – Matte black card with shiny gold logo and a black inner core – a premium classic.
- Kraft + green – An eco-conscious image for meaningful brands.
- Soft touch + 3D spot UV – Modernity and luxury in one.
Why order your multilayer cards from Four zeros?
We’re a print centre focused on quality. Four zeros is not just about machines – it’s a team passionate about creating the perfect product.
What we offer:
- Expert advice on paper and finishes
- Custom quotes and a personal approach
- Precision trimming and bonding
- Option to create a sample
- Fast turnaround
- Printing in Warsaw and delivery across Poland
Conclusion
Multilayer business cards aren’t just about contact details. They’re about emotion, quality, and style.
In a world where everyone has an email and a LinkedIn profile, a printed card can still create that rare “wow” moment.
Want to impress, stand out, and leave a powerful, lasting impression? Then this card is for you.
Get in touch with us today – and let your card speak before you even say “hello.”
Four zeros – where business cards become a tool for success.

UV Printing technology in large-format materials - the future of advertising before your eyes
In today’s world of visual communication, where quality, durability, and speed matter most, UV printing technology is rapidly gaining ground, especially in large-format printing. This innovative method is transforming how we approach advertising on expansive surfaces, from banners and signage to interior decor.
In this article, you’ll learn what large-format UV printing is, its key advantages, where it works best, and why Four zeros is the perfect place to bring your ideas to life in Warsaw and across Poland.
What is UV printing technology?
UV (ultraviolet) printing is a modern technique where inks are instantly cured using ultraviolet light. This means there’s no drying time, and the printed product is ready to use immediately.
What makes it stand out?
✅ No need for laminating – the print is resistant to moisture, abrasion, and sunlight.
✅ Vivid, saturated colors and high image definition.
✅ Compatible with a wide range of materials – both rigid and flexible.
It’s these very advantages that make UV printing a perfect fit for large-format projects, where efficiency and visual impact are key.
What does large-format UV printing mean?
Large-format UV printing refers to the use of UV technology to print on large surfaces. With advanced equipment, it's possible to print on materials several meters wide without compromising quality and with high resistance to external factors.
Popular materials include:
📌 Foamed PVC
📌 Dibond (aluminum composite)
📌 Glass
📌 Plexiglass
📌 Self-adhesive films
📌 Canvas
📌 Frontlit and blockout banners
These capabilities make UV large-format printing ideal for outdoor advertising, interior design, exhibition stands, and urban branding.
Advantages of large-format UV printing
Large-format UV printing offers more than just durability, it delivers a strong visual impact. Key benefits include:
✅ Long-lasting – withstands moisture, UV exposure, and temperature changes.
✅ Vibrant color and detail – prints stay sharp, even at large scales.
✅ Eco-friendly – LED UV technology is solvent-free and safer for the environment.
✅ Works on complex surfaces – including glass, metal, wood, plastic, and more.
✅ White ink printing capability – ideal for transparent or dark materials.
This versatility allows for the creation of not only advertising materials but also artistic interior elements and industrial signage.
LED UV printing technology – a new quality standard
At Four zeros, we use LED UV printing, which is an even more efficient and eco-conscious evolution of the technology. Its benefits include:
✅ Lower energy consumption
✅ No overheating of materials
✅ Longer-lasting UV lamps
✅ Suitable for thin and delicate materials
LED UV printing is one of the most advanced methods on the market: precise, fast, and environmentally friendly.
Large-format UV printing in Warsaw – where to print?
Looking for an experienced print centre offering UV printing in Warsaw? Welcome to Four zeros . We manage projects with full support – from file preparation to installation.
We also serve clients across Poland, so if you’re looking for large-format UV printing in Warsaw or all over the country, we can arrange delivery or offer tailored solutions.
What we offer:
✔ Consultations and a personalized approach
✔ Fast turnaround
✔ Test prints
✔ Design and file support
✔ Additional services: cutting, laminating, installation
Where is large-format UV printing used?
UV printing is incredibly versatile. Common applications include:
Advertising and informational signs – durable and weather-resistant
Glass decor and wall graphics – printed directly onto glass or plastic
Trade show and POS materials – mobile stands, display units
Vehicle and urban infrastructure branding
Art prints – limited editions, artworks on rigid media
Conclusion
UV printing has redefined the possibilities of large-format printing, allowing you to create long-lasting, vibrant, and environmentally resistant visuals on nearly any surface.
Whether you need:
✅ Large-format UV printing in Warsaw
✅ UV printing in Rzeszów
✅ Printing on PVC, glass, metal, plexiglass, or Dibond –
Four Zeros is your go-to partner.
We’re experts in innovative printing, ready to turn your ideas into visual reality quickly, professionally, and with attention to every detail.
📞 Message or call us and see what true large-format printing looks like with UV technology!