I always use WDT londinium tool, which is currently the best suited for the job. There is also Duomo.
The level tamp is next step, which is harder than it seems, unless some kind of auto leveling tamp is used.
Force of tamp need to be hard enough, for the bed to not be disturbed in preinfussion.
Light roasted coffee needs perfect every detail, with medium or darker is much easier.
For example, once I wanted to show canals and used untamped medium coffee and still got pretty decent flow.
For reference, also I'm using here VST 18g basket. Which is very eager to show you any mistakes.