Printulu has a minimum font size requirement for any artwork to ensure that any print is readable. This is based on multiple factors such as the printing process and material types.
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The minimum font size requirements are as follows:

Traditional Print Items (Paper print products): 5pt font size

Large Format Print Items (Anything that is not plain old paper): 8pt font size
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WHATCH OUT FOR:

Small "partner/suppliers of" logos or registered/copyright symbols with miniature text, these are usually below 5pt and will be reported as an artwork problem. You can always request that we print the product as is.
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