Hi. I work for Stamen. We have a very old blog post that goes into more detail about how we made these tiles: https://hi.stamen.com/watercolor-process-3dd513586

Hi. I work for Stamen. We have a very old blog post that goes into more detail about how we made these tiles: https://hi.stamen.com/watercolor-process-3dd5135861fe https://hi.stamen.com/watercolor-process-3dd5135861fe