Do you have a rogue? You just nerfed your rogue’s cunning action. I think you’re going to have balance issues and the extra mobility is going to feel weird.
Sometimes a monster’s goal is to dash to engage the caster even if it can’t attack this round.
I have a prusa mk3. A medium sized 5e mini is like $0.50 but is not the quality of a metal mini from say reaper. But still totally usually for the table.
There are resin printers that have a lot more detail but the resin is more expensive.