Hi, I have been designing my t-shirts in Photoshop with an image size of 7.12 x 8.59 inches. I did my artwork within the framework of a mockup shirt making the size of my design even smaller than the 7.12 x 8.59 inches. After this, I saved the file as a png to get a transparent background. However, I want to use a site called Printful where the suggested image size in Photoshop to work on is 12 x 16 inches to work on. When I upload my png image to the website I have to stretch out my image. When I stretch it out to the size of my liking the dpi drops to about 105, which is too poor of printing quality to print. Does anyone have any suggestions on how to get my DPI closer to 300 without having to redesign my 40+ shirt designs?!? Thanks!!!! PS: Printful uses Direct to Garment printing in RBG.
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