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Craft engaging designs to captivate your audience.
Updated May 2026
Getting your artwork right before you launch a product is one of the most important things you can do as a seller. Poor resolution leads to blurry prints. Blurry prints lead to refund requests, bad reviews, and customers who don't come back. This guide covers the two fundamentals every GearLaunch seller needs to understand: DPI and Direct to Garment printing.
DPI stands for Dots Per Inch. It describes how many pixels (or "dots") are packed into every inch of a printed image. The higher the DPI, the sharper and more detailed your print will be. For apparel products, 300 DPI is the minimum standard you should be working to.
Here's how the math works. If you have a digital image that is 1800×2400 pixels and you size it to print at 12"×16", you get 150 DPI — which is too low. The print will appear soft or pixelated on the finished garment. To hit 300 DPI at that same print size, you need to increase your pixel dimensions to 3600×4800 pixels. That's the recommended starting point for all GearLaunch apparel products.
Three terms you need to know:
Pixel dimensions refer to the total number of pixels that make up your image. For apparel, target 3600×4800.
Digital image size is the physical size of your image in inches. For standard apparel, that's 12"×16".
DPI (Dots Per Inch) is the result of dividing pixel dimensions by the digital image size. In Photoshop, this value appears as "Resolution." Keep it at 300.
One common mistake sellers make: assuming the same file will print well across every product. It won't. The same artwork at 3600×4800 will look great on a t-shirt but can appear pixelated on a poster because the print area is much larger — the same number of dots has to fill more space. Always size your artwork to match the specific product you're printing on. Check out our guide on how to prepare the perfect print files for product-specific dimensions and accepted file formats.
Direct to Garment printing (DTG) is a technology that uses specialized inkjet printers to apply ink directly onto fabric. The garment is held in a fixed position while the print head moves across it, injecting ink into the fibers rather than laying it on top of the surface. This is what makes DTG different from older methods like screen printing or heat transfer vinyl.
Because the ink bonds with the fabric at a fiber level, DTG prints feel soft to the touch and tend to hold up better through washing compared to techniques that sit on top of the material. The result is a print that's vibrant, detail-rich, and far more durable than vinyl-based alternatives.
DTG also removes a significant creative limitation: color. Screen printing requires separate color separations, which adds cost and complexity with every additional color in your design. DTG prints your full artwork as a single job — no color limits, no separations, no constraints on gradients or photo-realistic detail. This makes it especially powerful for complex, multi-color designs that would be prohibitively expensive to screen print.
Water-based inks used in DTG are eco-friendly and safe, which is increasingly relevant for brands that want to speak to sustainability-minded buyers.
For sellers building all-over print apparel or detailed graphic tees, DTG is the backbone of what makes GearLaunch's product quality possible.
The most actionable advice for new sellers is simple: start with the right file, and get it right once. Here's a quick checklist before you upload:
Always upload in PNG format for DTG products. PNG supports transparency and preserves image quality better than JPEG for garment printing.
Use the CMYK color profile when designing. All printers output CMYK, and designing in this profile means fewer surprises between what you see on screen and what lands on the shirt. If you're in Photoshop, the Gamut Warning Tool will flag colors that won't translate well to print.
Keep your pixel dimensions at 3600×4800 and resolution at 300 DPI for standard apparel. Check GearLaunch's product-specific requirements for non-apparel items — dimensions vary by product category.
Use a 100% transparent background. This ensures no unwanted fill prints around your design. The exception: if you're using gradients or transparency effects within the design itself, use the halftone method instead of relying on soft transparency, which can muddy colors in the final print.
If you want a deeper breakdown of design best practices — including color hex codes, anti-aliasing, and how to use GearLaunch's design templates — read 5 Product Design Tips for a Successful GearLaunch Store.
Understanding DPI and DTG is the foundation. Now build on it. Browse GearLaunch's full product catalog to see what's available across unisex t-shirts, hoodies, and hundreds of other products — then create your first product and see the difference quality setup makes.
What DPI should I use for print-on-demand products? 300 DPI is the standard for sharp, professional prints on apparel. Lower DPI — anything under 200 — will result in a visibly soft or pixelated print, especially on larger garment sizes. Start at 3600×4800 pixels for standard 12"×16" apparel prints and you'll hit 300 DPI automatically.
What file format should I use when uploading to GearLaunch? PNG is recommended for DTG products because it supports transparency and retains image quality. GearLaunch also accepts JPEG, but PNG gives you more control and cleaner results for apparel designs. Maximum upload file size is 200MB.
Why does the same design look different on different products? The print area varies by product. A design at 3600×4800 pixels fills a t-shirt well at 300 DPI, but the same file stretched to cover a larger product like a poster will have fewer dots per inch — resulting in a softer, less defined print. Always check DPI against the specific product's print dimensions before uploading.
What makes DTG better than screen printing for POD? DTG prints full-color artwork in a single pass with no minimum order and no setup fees per color. Screen printing requires a separate screen for every color used, making it cost-effective only at scale. For print-on-demand, where you print one item at a time, DTG is the clear choice.
Do DTG inks fade over time? DTG inks are water-based and bond with the fabric fibers, making them more fade-resistant than heat transfer vinyl or plastisol screen printing inks when cared for properly. Washing garments inside out in cold water significantly extends print life.
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