Digital devices display images in pixels, and printers print images in dots. For printed images, resolution is expressed in DPI-dots per inch.ĭPI (dots per inch) is a printing term. For digital images, resolution is expressed in PPI-pixels per inch.
Resolution expresses the density of pixels or dots in an image. Pixel dimensions express the total number of pixels along a digital image’s width (vertical) and height (horizontal). For example, the maximum file size of an image you can upload on Printful’s Design Maker is 200 MB.Ī pixel is a unit of measurement for digital images you see on a screen. It tells you how much space the image takes up on a disk or drive. Print size is the actual size of the image as it’ll come out printed on the product.
It’ll help you get a better grasp of the rest of this blog and Printful’s print file guidelines. Let’s lay the foundation here and get into some terminology.
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