@jameswstubbs Well if you insist. I think I have a tip option on thingiverse. I've never got a tip before. https://www.thingiverse.com/Phaedrux/about
You can find out more about mesh compensation here: https://duet3d.dozuki.com/Wiki/Using_mesh_bed_compensation
It may help you out a bit because it can give a much higher resolution heightmap.
Your print looks like a decent starting point. Tuning the e steps and extrusion multiplier will help get your slight over extrusion under control. It also looks like it might be printed a little hot and a little too fast, but it's hard to tell on such a small test print.