Hello @conquistador !
There are several apps that allow you do so. Below is a list with a few different options and they all have a free trial period:
Hope this helps!
Hyde here from Shopify. Great question!
While Shopify does not provide this natively, there are apps that you can use to help you with this. For example, you could look at using one of the following three:
When it comes to Teespring, I'd recommend reaching out to them directly for guidance as they are a third-party provider.
Are you using the Print on Demand model? If so then this course on How to Build a Print on Demand Empire may prove useful for you!
Let me know if you have any further questions!
All the best, Hyde.