How to Perfect Your Design: A Guide to Print Sizes & Placement for your T-Shirt.

Welcome to the customization tool! To make sure your custom merchandise looks exactly how you imagined it, we’ve put together this simple guide to help you understand Print Sizes and the Bleed Line. 

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Choosing the Right Print Size

When you start designing, you’ll see several size options. Think of these as the “frame” for your artwork. Choosing the right frame ensures your design isn’t too small to see or too large for the shirt.

Size	Printing Area	Best For	Why Choose This?
A3 (Large)		Big, Bold Graphics	This is the largest option. It's perfect if you want your design to cover most of the chest or back for a "streetwear" look.
A4 (Medium)		Standard T-Shirt Logos	This is our most popular size. It fits perfectly in the center of the chest and looks great on everyone, from Size S to 3XL.
A5 (Small)		Large Logos or Text	Great for wide designs or medium-sized graphics that you want to sit a bit higher on the chest.
A6 (Pocket)		Small Branding	Ideal for "Left-chest" logos, sleeve prints, or small logos on the back near the neck.

When you are designing your shirt, you will notice two different boxes on the mockup. To make sure your design comes out perfectly, here is a simple guide on what those lines mean. 

1. The White Dashed Line (Bleed Line)

• What it is: This is the absolute maximum space our printing machine can reach on the shirt.
• The rule: You cannot print anything outside of this box. It is the boundary of the entire printing area. 

2. The Purple Line (Size Line)

• What it is: This box shows the specific size you selected (like A3 Large). ‍
• The rule: This is where your actual design lives. You should keep all your text, logos, and photos inside this purple box.

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What is "Bleed Line"?

When you select a size, you will see a white dashed box appear on the t-shirt. This is the Bleed Line (or your “Safe Zone”).

Why it’s important:

• Stay inside the lines: Think of this box as your boundary. Anything you place inside the dashed lines will be printed. 
• The Cut-off rules: If your design touches or goes outside these dashed lines, it will be cut off. For example, if a person’s head in a photo is outside the line, it won’t appear on your shirt!‍
• The grid helper: Use the squares inside the box to help you center you design. Align the middle of your logo with the center line of the grid to make sure it’s not crooked.

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Top Tips for a Professional Look

To get a “retail-store” quality finish, keep these three tips in mind: 

• Don’t go too low: A common mistake is placing the design too far down. Aim to keep your design about 2 to 3 fingers width below the collar. This ensures the design sits on your chest, not your stomach!
• Give yourself some space: Even though you can go right up to the dashed line, we recommend leaving a small gap (about 1cm) between your art and the edge. This makes the design look “cleaner.” 
• Check your photo quality: If you are using the A3 (Large) size, make sure your uploaded image is high-quality. If the original image is small or blurry, stretching it to a large size will make it look pixelated on the final shirt. 
• The cut-off: Anything outside the dashed lines will not be printed on the final shirt. 

Pro-Tip: Use the grid lines inside the box to make sure your design is perfectly centered with the t-shirt’s collar!

Ready to start? Pick your size, stay inside the dashed lines, and let your creativity run wild!

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Ready to Impress your Guests?

For customization merchandise, design printing, or premium gift bundles, please contact our Sales support team for a personalized quote.

CUSTA Merchandise Website :

• CUSTA Malaysia : CUSTA.com.My
• CUSTA Singapore : CUSTA.com.SG