Hello. I am a new spreadshirt designer. I read a design needs to be a maximum of 4000px x 4000px in the requirement section of the article about optimazing pixel graphics. Does it mean a design must not be larger than 4000px x 4000px? Or is it just recommended to avoid the chance of going over a file size of 10MB as it seems to be indicated later in the article? My designs are 4500px x 5400px, and I could upload my designs without a problem, but I wonder if something goes wrong when these designs are printed on products, which I would like to avoid. Thank you for your help and advice in advance!
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We have different requirements for designs uploaded in the CYO (on spreadshirt.com), and the designs uploaded in the partner area 
In partner area, you can upload bigger designs, and bigger files.
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