Print-on-Demand Design Guides
Most one-star print-on-demand reviews come from the file, not the printer: blurry artwork, halos around the design, colors that shift or a typo nobody caught.
These guides give you the exact numbers and workflows for print-ready designs on shirts, hoodies, mugs, stickers and wall art, including how to use AI image tools without the usual print problems.
Start here

T-Shirt Design Size and DPI: The Exact Numbers for POD
The exact t-shirt design size for print-on-demand: 4500 × 5400 px at 300 DPI, why 150 DPI is the floor, print size math, plus stickers, mugs and posters.
Sep 24, 2026 · 12 min read

How to Make a Transparent PNG for T-Shirts (and Avoid Halos)
Make a transparent PNG for t-shirts that prints cleanly: remove white backgrounds, fix halos and soft edges, test on dark shirts and export it correctly.
Sep 24, 2026 · 11 min read

How to Design T-Shirts With AI That Sell (2026 Workflow)
How to design t-shirts with AI that sell: pick a buyer, write prompts that print well, draft cheaply, make a print-ready final, proofread and build on winners.
Sep 24, 2026 · 11 min read

Best AI Image Generators for T-Shirt Designs (2026)
The best AI image generator for t-shirt designs depends on the job. We compare 8 tools on text, transparency, resolution, vector output, rights and cost.
Sep 24, 2026 · 13 min read
All design guides

100 AI Prompts for T-Shirt Designs That Print Well
100 original AI prompts for t-shirt designs, sorted by style and niche, plus a simple prompt formula and print-safe add-ons that work in ChatGPT or Midjourney.
Sep 24, 2026 · 19 min read

Best Fonts for T-Shirts: 38 Free for Commercial Use
The best fonts for t-shirts that are free for commercial use: 38 Google Fonts checked for OFL or Apache licenses, by style, plus pairing and legibility tips.
Sep 24, 2026 · 14 min read

Best-Selling T-Shirt Colors for POD (and How Many to Offer)
Best-selling t-shirt colors for print-on-demand, without made-up data: staple neutrals, garment-dyed and seasonal picks, contrast rules and how many to offer.
Sep 24, 2026 · 8 min read

Can You Use Canva for Print-on-Demand? License and Workflow
Yes, if your design is original. What Canva’s license allows on print-on-demand merch, what it bans, and the export settings that give you print-ready files.
Sep 24, 2026 · 10 min read

Can ChatGPT Make T-Shirt Designs? A Print-Ready Workflow
Yes, ChatGPT can make t-shirt designs, even with transparent backgrounds. A 7-step workflow to fix size, text and edges so your ChatGPT design prints cleanly.
Sep 24, 2026 · 9 min read

DTG vs DTF Printing: Differences, Pros and Cons for POD
DTG vs DTF printing for print-on-demand: how each works, feel, durability and fabrics, how Printify, Printful and Gelato use them, and how to design for both.
Sep 24, 2026 · 9 min read

Hoodie Design Size: Print Areas, Pixels and Placement (2026)
Hoodie design size for print-on-demand: real print areas from Printful’s catalog, pixels at 300 DPI for front, back, sleeves and left chest, and placement tips.
Sep 24, 2026 · 10 min read

Midjourney for Print-on-Demand: Rights and Print-Ready Files
Can you use Midjourney for print-on-demand? Yes, on a paid plan. What the 2026 terms allow, and how to fix resolution, transparency and text for print.
Sep 24, 2026 · 10 min read

Mug Design Size for POD: 11 oz and 15 oz Templates in Pixels
Mug design size for print-on-demand: verified 11 oz and 15 oz print areas in pixels from Printify, Printful and Gelato, plus handle gaps, margins and layouts.
Sep 24, 2026 · 10 min read

Poster Print Sizes and Ratios: A Wall Art Cheat Sheet
Poster print sizes and ratios for wall art: US and A-series sizes, pixel dimensions at 300 and 150 DPI, which ratio to design in, bleed and frame tips.
Sep 24, 2026 · 9 min read

RGB or CMYK for Print-on-Demand? Color That Prints True
RGB or CMYK for print on demand? Printify and Printful want RGB (sRGB) files. Here’s why, why prints look different from your screen, and how to fix it.
Sep 24, 2026 · 8 min read

Sticker Design Size and Cut Lines for Print-on-Demand
Sticker design size for print-on-demand: pixels for 2–6 inch stickers at 300 DPI, kiss-cut vs die-cut, how cut lines follow transparency, and spacing rules.
Sep 24, 2026 · 8 min read

Best T-Shirt Mockup Generators for POD Sellers (2026)
T-shirt mockup generator options for POD compared: Printify, Printful, Placeit, Canva, Dynamic Mockups, PSDs and AI, with prices checked and license tips.
Sep 24, 2026 · 9 min read

20 oz Skinny Tumbler Template Size (and POD Print Areas)
The 20 oz skinny tumbler template size for straight and tapered tumblers, plus real Printify tumbler print areas in pixels, seams, bleed and design tips.
Sep 24, 2026 · 8 min read

How to Upscale an Image for Print (Without Blurry Shirts)
How to upscale an image for print: the DPI math, why changing the DPI number adds nothing, AI upscalers and their artifacts, and a workflow to 4500 × 5400 px.
Sep 24, 2026 · 8 min read

How to Vectorize an Image for Print-on-Demand (Free + Paid)
How to vectorize an image for print-on-demand: when vector helps, free tracing in Inkscape, Illustrator and AI tools, cleanup steps and a print-size PNG export.
Sep 24, 2026 · 10 min read

How to Make a Vintage T-Shirt Design That Prints Cleanly
Make a vintage t-shirt design with retro palettes, sunset stripes, badges, halftones and distressing, without the semi-transparent pixels that ruin DTG prints.
Sep 24, 2026 · 10 min read
Your next best-seller is one sentence away.
Start your 7-day trial and publish your first product today.
Start free trial