This is a brief post, just stopping in to make a public bookmark for myself, really.
If you are going all in the canvas print market or just dabbling, one of the first challenges you'll run into is that the original dimensions of your paintings don't necessarily scale up or down to a popular sizes, i.e. easy to frame for most people.
Below is a link to Century Editions, who has kindly posted a chart showing scaling options.
Link opens in new tab: www.centuryeditions.com/proportion.php