
I was trying to get a feel for what the client wanted with regards to PP. I have done some random stuff though

And this is not the 'print set'. I do two types of files; those for digital viewing and others for print. These are from the digital set.
As already mentioned you will stop doing this when you have experienced clients ordering stuff from you in standard sizes. Even if you leave everything at standard 3:2 ratios its hard enough satisfying some standard print sizes without making it harder for yourself.