Try Thomas Sanladerer's "Basics: 5 ways of getting your 3D prints to stick!" on Youtube https://www.youtube.com/watch?v=AaF28dnDgKA or Maker's Muse "How to get the Perfect First Layer - 3DP101" https://www.youtube.com/watch?v=Fo42S22BTwg Maker's Muse is using Simplify3D as his slicer, but the settings can be found in Cura if you hunt around a bit.